Fixed MTP to work with TWRP

sound/pci/hda/Kconfig

@@ -0,0 +1,251 @@
+menu "HD-Audio"
+
+config SND_HDA
+	tristate
+	select SND_PCM
+	select SND_VMASTER
+	select SND_KCTL_JACK
+
+config SND_HDA_INTEL
+	tristate "HD Audio PCI"
+	depends on SND_PCI
+	select SND_HDA
+	help
+	  Say Y here to include support for Intel "High Definition
+	  Audio" (Azalia) and its compatible devices.
+
+	  This option enables the HD-audio controller.  Don't forget
+	  to choose the appropriate codec options below.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-hda-intel.
+
+config SND_HDA_TEGRA
+	tristate "NVIDIA Tegra HD Audio"
+	depends on ARCH_TEGRA
+	select SND_HDA
+	help
+	  Say Y here to support the HDA controller present in NVIDIA
+	  Tegra SoCs
+
+	  This options enables support for the HD Audio controller
+	  present in some NVIDIA Tegra SoCs, used to communicate audio
+	  to the HDMI output.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-hda-tegra.
+
+if SND_HDA
+
+config SND_HDA_DSP_LOADER
+	bool
+
+config SND_HDA_PREALLOC_SIZE
+	int "Pre-allocated buffer size for HD-audio driver"
+	range 0 32768
+	default 64
+	help
+	  Specifies the default pre-allocated buffer-size in kB for the
+	  HD-audio driver.  A larger buffer (e.g. 2048) is preferred
+	  for systems using PulseAudio.  The default 64 is chosen just
+	  for compatibility reasons.
+
+	  Note that the pre-allocation size can be changed dynamically
+	  via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.
+
+config SND_HDA_HWDEP
+	bool "Build hwdep interface for HD-audio driver"
+	select SND_HWDEP
+	help
+	  Say Y here to build a hwdep interface for HD-audio driver.
+	  This interface can be used for out-of-band communication
+	  with codecs for debugging purposes.
+
+config SND_HDA_RECONFIG
+	bool "Allow dynamic codec reconfiguration"
+	help
+	  Say Y here to enable the HD-audio codec re-configuration feature.
+	  This adds the sysfs interfaces to allow user to clear the whole
+	  codec configuration, change the codec setup, add extra verbs,
+	  and re-configure the codec dynamically.
+
+config SND_HDA_INPUT_BEEP
+	bool "Support digital beep via input layer"
+	depends on INPUT=y || INPUT=SND_HDA
+	help
+	  Say Y here to build a digital beep interface for HD-audio
+	  driver. This interface is used to generate digital beeps.
+
+config SND_HDA_INPUT_BEEP_MODE
+	int "Digital beep registration mode (0=off, 1=on)"
+	depends on SND_HDA_INPUT_BEEP=y
+	default "1"
+	range 0 1
+	help
+	  Set 0 to disable the digital beep interface for HD-audio by default.
+	  Set 1 to always enable the digital beep interface for HD-audio by
+	  default.
+
+config SND_HDA_INPUT_JACK
+	bool "Support jack plugging notification via input layer"
+	depends on INPUT=y || INPUT=SND
+	select SND_JACK
+	help
+	  Say Y here to enable the jack plugging notification via
+	  input layer.
+
+config SND_HDA_PATCH_LOADER
+	bool "Support initialization patch loading for HD-audio"
+	select FW_LOADER
+	select SND_HDA_RECONFIG
+	help
+	  Say Y here to allow the HD-audio driver to load a pseudo
+	  firmware file ("patch") for overriding the BIOS setup at
+	  start up.  The "patch" file can be specified via patch module
+	  option, such as patch=hda-init.
+
+config SND_HDA_CODEC_REALTEK
+	tristate "Build Realtek HD-audio codec support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include Realtek HD-audio codec support in
+	  snd-hda-intel driver, such as ALC880.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_REALTEK=m
+
+config SND_HDA_CODEC_ANALOG
+	tristate "Build Analog Device HD-audio codec support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include Analog Device HD-audio codec support in
+	  snd-hda-intel driver, such as AD1986A.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_ANALOG=m
+
+config SND_HDA_CODEC_SIGMATEL
+	tristate "Build IDT/Sigmatel HD-audio codec support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include IDT (Sigmatel) HD-audio codec support in
+	  snd-hda-intel driver, such as STAC9200.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_SIGMATEL=m
+
+config SND_HDA_CODEC_VIA
+	tristate "Build VIA HD-audio codec support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include VIA HD-audio codec support in
+	  snd-hda-intel driver, such as VT1708.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_VIA=m
+
+config SND_HDA_CODEC_HDMI
+	tristate "Build HDMI/DisplayPort HD-audio codec support"
+	help
+	  Say Y or M here to include HDMI and DisplayPort HD-audio codec
+	  support in snd-hda-intel driver.  This includes all AMD/ATI,
+	  Intel and Nvidia HDMI/DisplayPort codecs.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_HDMI=m
+
+config SND_HDA_I915
+	bool
+	default y
+	depends on DRM_I915
+
+config SND_HDA_CODEC_CIRRUS
+	tristate "Build Cirrus Logic codec support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include Cirrus Logic codec support in
+	  snd-hda-intel driver, such as CS4206.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_CIRRUS=m
+
+config SND_HDA_CODEC_CONEXANT
+	tristate "Build Conexant HD-audio codec support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include Conexant HD-audio codec support in
+	  snd-hda-intel driver, such as CX20549.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_CONEXANT=m
+
+config SND_HDA_CODEC_CA0110
+	tristate "Build Creative CA0110-IBG codec support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include Creative CA0110-IBG codec support in
+	  snd-hda-intel driver, found on some Creative X-Fi cards.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_CA0110=m
+
+config SND_HDA_CODEC_CA0132
+	tristate "Build Creative CA0132 codec support"
+	help
+	  Say Y or M here to include Creative CA0132 codec support in
+	  snd-hda-intel driver.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_CA0132=m
+
+config SND_HDA_CODEC_CA0132_DSP
+	bool "Support new DSP code for CA0132 codec"
+	depends on SND_HDA_CODEC_CA0132
+	select SND_HDA_DSP_LOADER
+	select FW_LOADER
+	help
+	  Say Y here to enable the DSP for Creative CA0132 for extended
+	  features like equalizer or echo cancellation.
+
+	  Note that this option requires the external firmware file
+	  (ctefx.bin).
+
+config SND_HDA_CODEC_CMEDIA
+	tristate "Build C-Media HD-audio codec support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include C-Media HD-audio codec support in
+	  snd-hda-intel driver, such as CMI9880.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_CMEDIA=m
+
+config SND_HDA_CODEC_SI3054
+	tristate "Build Silicon Labs 3054 HD-modem codec support"
+	help
+	  Say Y or M here to include Silicon Labs 3054 HD-modem codec
+	  (and compatibles) support in snd-hda-intel driver.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_SI3054=m
+
+config SND_HDA_GENERIC
+	tristate "Enable generic HD-audio codec parser"
+	help
+	  Say Y or M here to enable the generic HD-audio codec parser
+	  in snd-hda-intel driver.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_GENERIC=m
+
+config SND_HDA_POWER_SAVE_DEFAULT
+	int "Default time-out for HD-audio power-save mode"
+	depends on PM
+	default 0
+	help
+	  The default time-out value in seconds for HD-audio automatic
+	  power-save mode.  0 means to disable the power-save mode.
+
+endif
+
+endmenu

sound/pci/hda/Makefile

@@ -0,0 +1,51 @@
+snd-hda-intel-objs := hda_intel.o
+snd-hda-controller-objs := hda_controller.o
+snd-hda-tegra-objs := hda_tegra.o
+# for haswell power well
+snd-hda-intel-$(CONFIG_SND_HDA_I915) +=	hda_i915.o
+
+snd-hda-codec-y := hda_codec.o hda_jack.o hda_auto_parser.o hda_sysfs.o
+snd-hda-codec-$(CONFIG_PROC_FS) += hda_proc.o
+snd-hda-codec-$(CONFIG_SND_HDA_HWDEP) += hda_hwdep.o
+snd-hda-codec-$(CONFIG_SND_HDA_INPUT_BEEP) += hda_beep.o
+
+# for trace-points
+CFLAGS_hda_codec.o := -I$(src)
+CFLAGS_hda_controller.o := -I$(src)
+
+snd-hda-codec-generic-objs :=	hda_generic.o
+snd-hda-codec-realtek-objs :=	patch_realtek.o
+snd-hda-codec-cmedia-objs :=	patch_cmedia.o
+snd-hda-codec-analog-objs :=	patch_analog.o
+snd-hda-codec-idt-objs :=	patch_sigmatel.o
+snd-hda-codec-si3054-objs :=	patch_si3054.o
+snd-hda-codec-cirrus-objs :=	patch_cirrus.o
+snd-hda-codec-ca0110-objs :=	patch_ca0110.o
+snd-hda-codec-ca0132-objs :=	patch_ca0132.o
+snd-hda-codec-conexant-objs :=	patch_conexant.o
+snd-hda-codec-via-objs :=	patch_via.o
+snd-hda-codec-hdmi-objs :=	patch_hdmi.o hda_eld.o
+
+# common driver
+obj-$(CONFIG_SND_HDA) := snd-hda-codec.o
+obj-$(CONFIG_SND_HDA) += snd-hda-controller.o
+
+# codec drivers
+obj-$(CONFIG_SND_HDA_GENERIC) += snd-hda-codec-generic.o
+obj-$(CONFIG_SND_HDA_CODEC_REALTEK) += snd-hda-codec-realtek.o
+obj-$(CONFIG_SND_HDA_CODEC_CMEDIA) += snd-hda-codec-cmedia.o
+obj-$(CONFIG_SND_HDA_CODEC_ANALOG) += snd-hda-codec-analog.o
+obj-$(CONFIG_SND_HDA_CODEC_SIGMATEL) += snd-hda-codec-idt.o
+obj-$(CONFIG_SND_HDA_CODEC_SI3054) += snd-hda-codec-si3054.o
+obj-$(CONFIG_SND_HDA_CODEC_CIRRUS) += snd-hda-codec-cirrus.o
+obj-$(CONFIG_SND_HDA_CODEC_CA0110) += snd-hda-codec-ca0110.o
+obj-$(CONFIG_SND_HDA_CODEC_CA0132) += snd-hda-codec-ca0132.o
+obj-$(CONFIG_SND_HDA_CODEC_CONEXANT) += snd-hda-codec-conexant.o
+obj-$(CONFIG_SND_HDA_CODEC_VIA) += snd-hda-codec-via.o
+obj-$(CONFIG_SND_HDA_CODEC_HDMI) += snd-hda-codec-hdmi.o
+
+# this must be the last entry after codec drivers;
+# otherwise the codec patches won't be hooked before the PCI probe
+# when built in kernel
+obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-intel.o
+obj-$(CONFIG_SND_HDA_TEGRA) += snd-hda-tegra.o

sound/pci/hda/ca0132_regs.h

@@ -0,0 +1,409 @@
+/*
+ * HD audio interface patch for Creative CA0132 chip.
+ * CA0132 registers defines.
+ *
+ * Copyright (c) 2011, Creative Technology Ltd.
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#ifndef __CA0132_REGS_H
+#define __CA0132_REGS_H
+
+#define DSP_CHIP_OFFSET                0x100000
+#define DSP_DBGCNTL_MODULE_OFFSET      0xE30
+#define DSP_DBGCNTL_INST_OFFSET \
+	(DSP_CHIP_OFFSET + DSP_DBGCNTL_MODULE_OFFSET)
+
+#define DSP_DBGCNTL_EXEC_LOBIT         0x0
+#define DSP_DBGCNTL_EXEC_HIBIT         0x3
+#define DSP_DBGCNTL_EXEC_MASK          0xF
+
+#define DSP_DBGCNTL_SS_LOBIT           0x4
+#define DSP_DBGCNTL_SS_HIBIT           0x7
+#define DSP_DBGCNTL_SS_MASK            0xF0
+
+#define DSP_DBGCNTL_STATE_LOBIT        0xA
+#define DSP_DBGCNTL_STATE_HIBIT        0xD
+#define DSP_DBGCNTL_STATE_MASK         0x3C00
+
+#define XRAM_CHIP_OFFSET               0x0
+#define XRAM_XRAM_CHANNEL_COUNT        0xE000
+#define XRAM_XRAM_MODULE_OFFSET        0x0
+#define XRAM_XRAM_CHAN_INCR            4
+#define XRAM_XRAM_INST_OFFSET(_chan) \
+	(XRAM_CHIP_OFFSET + XRAM_XRAM_MODULE_OFFSET + \
+	(_chan * XRAM_XRAM_CHAN_INCR))
+
+#define YRAM_CHIP_OFFSET               0x40000
+#define YRAM_YRAM_CHANNEL_COUNT        0x8000
+#define YRAM_YRAM_MODULE_OFFSET        0x0
+#define YRAM_YRAM_CHAN_INCR            4
+#define YRAM_YRAM_INST_OFFSET(_chan) \
+	(YRAM_CHIP_OFFSET + YRAM_YRAM_MODULE_OFFSET + \
+	(_chan * YRAM_YRAM_CHAN_INCR))
+
+#define UC_CHIP_OFFSET                 0x80000
+#define UC_UC_CHANNEL_COUNT            0x10000
+#define UC_UC_MODULE_OFFSET            0x0
+#define UC_UC_CHAN_INCR                4
+#define UC_UC_INST_OFFSET(_chan) \
+	(UC_CHIP_OFFSET + UC_UC_MODULE_OFFSET + \
+	(_chan * UC_UC_CHAN_INCR))
+
+#define AXRAM_CHIP_OFFSET              0x3C000
+#define AXRAM_AXRAM_CHANNEL_COUNT      0x1000
+#define AXRAM_AXRAM_MODULE_OFFSET      0x0
+#define AXRAM_AXRAM_CHAN_INCR          4
+#define AXRAM_AXRAM_INST_OFFSET(_chan) \
+	(AXRAM_CHIP_OFFSET + AXRAM_AXRAM_MODULE_OFFSET + \
+	(_chan * AXRAM_AXRAM_CHAN_INCR))
+
+#define AYRAM_CHIP_OFFSET              0x78000
+#define AYRAM_AYRAM_CHANNEL_COUNT      0x1000
+#define AYRAM_AYRAM_MODULE_OFFSET      0x0
+#define AYRAM_AYRAM_CHAN_INCR          4
+#define AYRAM_AYRAM_INST_OFFSET(_chan) \
+	(AYRAM_CHIP_OFFSET + AYRAM_AYRAM_MODULE_OFFSET + \
+	(_chan * AYRAM_AYRAM_CHAN_INCR))
+
+#define DSPDMAC_CHIP_OFFSET            0x110000
+#define DSPDMAC_DMA_CFG_CHANNEL_COUNT  12
+#define DSPDMAC_DMACFG_MODULE_OFFSET   0xF00
+#define DSPDMAC_DMACFG_CHAN_INCR       0x10
+#define DSPDMAC_DMACFG_INST_OFFSET(_chan) \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_DMACFG_MODULE_OFFSET + \
+	(_chan * DSPDMAC_DMACFG_CHAN_INCR))
+
+#define DSPDMAC_DMACFG_DBADR_LOBIT     0x0
+#define DSPDMAC_DMACFG_DBADR_HIBIT     0x10
+#define DSPDMAC_DMACFG_DBADR_MASK      0x1FFFF
+#define DSPDMAC_DMACFG_LP_LOBIT        0x11
+#define DSPDMAC_DMACFG_LP_HIBIT        0x11
+#define DSPDMAC_DMACFG_LP_MASK         0x20000
+
+#define DSPDMAC_DMACFG_AINCR_LOBIT     0x12
+#define DSPDMAC_DMACFG_AINCR_HIBIT     0x12
+#define DSPDMAC_DMACFG_AINCR_MASK      0x40000
+
+#define DSPDMAC_DMACFG_DWR_LOBIT       0x13
+#define DSPDMAC_DMACFG_DWR_HIBIT       0x13
+#define DSPDMAC_DMACFG_DWR_MASK        0x80000
+
+#define DSPDMAC_DMACFG_AJUMP_LOBIT     0x14
+#define DSPDMAC_DMACFG_AJUMP_HIBIT     0x17
+#define DSPDMAC_DMACFG_AJUMP_MASK      0xF00000
+
+#define DSPDMAC_DMACFG_AMODE_LOBIT     0x18
+#define DSPDMAC_DMACFG_AMODE_HIBIT     0x19
+#define DSPDMAC_DMACFG_AMODE_MASK      0x3000000
+
+#define DSPDMAC_DMACFG_LK_LOBIT        0x1A
+#define DSPDMAC_DMACFG_LK_HIBIT        0x1A
+#define DSPDMAC_DMACFG_LK_MASK         0x4000000
+
+#define DSPDMAC_DMACFG_AICS_LOBIT      0x1B
+#define DSPDMAC_DMACFG_AICS_HIBIT      0x1F
+#define DSPDMAC_DMACFG_AICS_MASK       0xF8000000
+
+#define DSPDMAC_DMACFG_LP_SINGLE                 0
+#define DSPDMAC_DMACFG_LP_LOOPING                1
+
+#define DSPDMAC_DMACFG_AINCR_XANDY               0
+#define DSPDMAC_DMACFG_AINCR_XORY                1
+
+#define DSPDMAC_DMACFG_DWR_DMA_RD                0
+#define DSPDMAC_DMACFG_DWR_DMA_WR                1
+
+#define DSPDMAC_DMACFG_AMODE_LINEAR              0
+#define DSPDMAC_DMACFG_AMODE_RSV1                1
+#define DSPDMAC_DMACFG_AMODE_WINTLV              2
+#define DSPDMAC_DMACFG_AMODE_GINTLV              3
+
+#define DSPDMAC_DSP_ADR_OFS_CHANNEL_COUNT 12
+#define DSPDMAC_DSPADROFS_MODULE_OFFSET 0xF04
+#define DSPDMAC_DSPADROFS_CHAN_INCR    0x10
+#define DSPDMAC_DSPADROFS_INST_OFFSET(_chan) \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_DSPADROFS_MODULE_OFFSET + \
+	(_chan * DSPDMAC_DSPADROFS_CHAN_INCR))
+
+#define DSPDMAC_DSPADROFS_COFS_LOBIT   0x0
+#define DSPDMAC_DSPADROFS_COFS_HIBIT   0xF
+#define DSPDMAC_DSPADROFS_COFS_MASK    0xFFFF
+
+#define DSPDMAC_DSPADROFS_BOFS_LOBIT   0x10
+#define DSPDMAC_DSPADROFS_BOFS_HIBIT   0x1F
+#define DSPDMAC_DSPADROFS_BOFS_MASK    0xFFFF0000
+
+#define DSPDMAC_DSP_ADR_WOFS_CHANNEL_COUNT 12
+#define DSPDMAC_DSPADRWOFS_MODULE_OFFSET 0xF04
+#define DSPDMAC_DSPADRWOFS_CHAN_INCR   0x10
+
+#define DSPDMAC_DSPADRWOFS_INST_OFFSET(_chan) \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_DSPADRWOFS_MODULE_OFFSET + \
+	(_chan * DSPDMAC_DSPADRWOFS_CHAN_INCR))
+
+#define DSPDMAC_DSPADRWOFS_WCOFS_LOBIT 0x0
+#define DSPDMAC_DSPADRWOFS_WCOFS_HIBIT 0xA
+#define DSPDMAC_DSPADRWOFS_WCOFS_MASK  0x7FF
+
+#define DSPDMAC_DSPADRWOFS_WCBFR_LOBIT 0xB
+#define DSPDMAC_DSPADRWOFS_WCBFR_HIBIT 0xF
+#define DSPDMAC_DSPADRWOFS_WCBFR_MASK  0xF800
+
+#define DSPDMAC_DSPADRWOFS_WBOFS_LOBIT 0x10
+#define DSPDMAC_DSPADRWOFS_WBOFS_HIBIT 0x1A
+#define DSPDMAC_DSPADRWOFS_WBOFS_MASK  0x7FF0000
+
+#define DSPDMAC_DSPADRWOFS_WBBFR_LOBIT 0x1B
+#define DSPDMAC_DSPADRWOFS_WBBFR_HIBIT 0x1F
+#define DSPDMAC_DSPADRWOFS_WBBFR_MASK  0xF8000000
+
+#define DSPDMAC_DSP_ADR_GOFS_CHANNEL_COUNT 12
+#define DSPDMAC_DSPADRGOFS_MODULE_OFFSET 0xF04
+#define DSPDMAC_DSPADRGOFS_CHAN_INCR   0x10
+#define DSPDMAC_DSPADRGOFS_INST_OFFSET(_chan) \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_DSPADRGOFS_MODULE_OFFSET + \
+	(_chan * DSPDMAC_DSPADRGOFS_CHAN_INCR))
+
+#define DSPDMAC_DSPADRGOFS_GCOFS_LOBIT 0x0
+#define DSPDMAC_DSPADRGOFS_GCOFS_HIBIT 0x9
+#define DSPDMAC_DSPADRGOFS_GCOFS_MASK  0x3FF
+
+#define DSPDMAC_DSPADRGOFS_GCS_LOBIT   0xA
+#define DSPDMAC_DSPADRGOFS_GCS_HIBIT   0xC
+#define DSPDMAC_DSPADRGOFS_GCS_MASK    0x1C00
+
+#define DSPDMAC_DSPADRGOFS_GCBFR_LOBIT 0xD
+#define DSPDMAC_DSPADRGOFS_GCBFR_HIBIT 0xF
+#define DSPDMAC_DSPADRGOFS_GCBFR_MASK  0xE000
+
+#define DSPDMAC_DSPADRGOFS_GBOFS_LOBIT 0x10
+#define DSPDMAC_DSPADRGOFS_GBOFS_HIBIT 0x19
+#define DSPDMAC_DSPADRGOFS_GBOFS_MASK  0x3FF0000
+
+#define DSPDMAC_DSPADRGOFS_GBS_LOBIT   0x1A
+#define DSPDMAC_DSPADRGOFS_GBS_HIBIT   0x1C
+#define DSPDMAC_DSPADRGOFS_GBS_MASK    0x1C000000
+
+#define DSPDMAC_DSPADRGOFS_GBBFR_LOBIT 0x1D
+#define DSPDMAC_DSPADRGOFS_GBBFR_HIBIT 0x1F
+#define DSPDMAC_DSPADRGOFS_GBBFR_MASK  0xE0000000
+
+#define DSPDMAC_XFR_CNT_CHANNEL_COUNT  12
+#define DSPDMAC_XFRCNT_MODULE_OFFSET   0xF08
+#define DSPDMAC_XFRCNT_CHAN_INCR       0x10
+
+#define DSPDMAC_XFRCNT_INST_OFFSET(_chan) \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_XFRCNT_MODULE_OFFSET + \
+	(_chan * DSPDMAC_XFRCNT_CHAN_INCR))
+
+#define DSPDMAC_XFRCNT_CCNT_LOBIT      0x0
+#define DSPDMAC_XFRCNT_CCNT_HIBIT      0xF
+#define DSPDMAC_XFRCNT_CCNT_MASK       0xFFFF
+
+#define DSPDMAC_XFRCNT_BCNT_LOBIT      0x10
+#define DSPDMAC_XFRCNT_BCNT_HIBIT      0x1F
+#define DSPDMAC_XFRCNT_BCNT_MASK       0xFFFF0000
+
+#define DSPDMAC_IRQ_CNT_CHANNEL_COUNT  12
+#define DSPDMAC_IRQCNT_MODULE_OFFSET   0xF0C
+#define DSPDMAC_IRQCNT_CHAN_INCR       0x10
+#define DSPDMAC_IRQCNT_INST_OFFSET(_chan) \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_IRQCNT_MODULE_OFFSET + \
+	(_chan * DSPDMAC_IRQCNT_CHAN_INCR))
+
+#define DSPDMAC_IRQCNT_CICNT_LOBIT     0x0
+#define DSPDMAC_IRQCNT_CICNT_HIBIT     0xF
+#define DSPDMAC_IRQCNT_CICNT_MASK      0xFFFF
+
+#define DSPDMAC_IRQCNT_BICNT_LOBIT     0x10
+#define DSPDMAC_IRQCNT_BICNT_HIBIT     0x1F
+#define DSPDMAC_IRQCNT_BICNT_MASK      0xFFFF0000
+
+#define DSPDMAC_AUD_CHSEL_CHANNEL_COUNT 12
+#define DSPDMAC_AUDCHSEL_MODULE_OFFSET 0xFC0
+#define DSPDMAC_AUDCHSEL_CHAN_INCR     0x4
+#define DSPDMAC_AUDCHSEL_INST_OFFSET(_chan) \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_AUDCHSEL_MODULE_OFFSET + \
+	(_chan * DSPDMAC_AUDCHSEL_CHAN_INCR))
+
+#define DSPDMAC_AUDCHSEL_ACS_LOBIT     0x0
+#define DSPDMAC_AUDCHSEL_ACS_HIBIT     0x1F
+#define DSPDMAC_AUDCHSEL_ACS_MASK      0xFFFFFFFF
+
+#define DSPDMAC_CHNLSTART_MODULE_OFFSET 0xFF0
+#define DSPDMAC_CHNLSTART_INST_OFFSET \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_CHNLSTART_MODULE_OFFSET)
+
+#define DSPDMAC_CHNLSTART_EN_LOBIT     0x0
+#define DSPDMAC_CHNLSTART_EN_HIBIT     0xB
+#define DSPDMAC_CHNLSTART_EN_MASK      0xFFF
+
+#define DSPDMAC_CHNLSTART_VAI1_LOBIT   0xC
+#define DSPDMAC_CHNLSTART_VAI1_HIBIT   0xF
+#define DSPDMAC_CHNLSTART_VAI1_MASK    0xF000
+
+#define DSPDMAC_CHNLSTART_DIS_LOBIT    0x10
+#define DSPDMAC_CHNLSTART_DIS_HIBIT    0x1B
+#define DSPDMAC_CHNLSTART_DIS_MASK     0xFFF0000
+
+#define DSPDMAC_CHNLSTART_VAI2_LOBIT   0x1C
+#define DSPDMAC_CHNLSTART_VAI2_HIBIT   0x1F
+#define DSPDMAC_CHNLSTART_VAI2_MASK    0xF0000000
+
+#define DSPDMAC_CHNLSTATUS_MODULE_OFFSET 0xFF4
+#define DSPDMAC_CHNLSTATUS_INST_OFFSET \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_CHNLSTATUS_MODULE_OFFSET)
+
+#define DSPDMAC_CHNLSTATUS_ISC_LOBIT   0x0
+#define DSPDMAC_CHNLSTATUS_ISC_HIBIT   0xB
+#define DSPDMAC_CHNLSTATUS_ISC_MASK    0xFFF
+
+#define DSPDMAC_CHNLSTATUS_AOO_LOBIT   0xC
+#define DSPDMAC_CHNLSTATUS_AOO_HIBIT   0xC
+#define DSPDMAC_CHNLSTATUS_AOO_MASK    0x1000
+
+#define DSPDMAC_CHNLSTATUS_AOU_LOBIT   0xD
+#define DSPDMAC_CHNLSTATUS_AOU_HIBIT   0xD
+#define DSPDMAC_CHNLSTATUS_AOU_MASK    0x2000
+
+#define DSPDMAC_CHNLSTATUS_AIO_LOBIT   0xE
+#define DSPDMAC_CHNLSTATUS_AIO_HIBIT   0xE
+#define DSPDMAC_CHNLSTATUS_AIO_MASK    0x4000
+
+#define DSPDMAC_CHNLSTATUS_AIU_LOBIT   0xF
+#define DSPDMAC_CHNLSTATUS_AIU_HIBIT   0xF
+#define DSPDMAC_CHNLSTATUS_AIU_MASK    0x8000
+
+#define DSPDMAC_CHNLSTATUS_IEN_LOBIT   0x10
+#define DSPDMAC_CHNLSTATUS_IEN_HIBIT   0x1B
+#define DSPDMAC_CHNLSTATUS_IEN_MASK    0xFFF0000
+
+#define DSPDMAC_CHNLSTATUS_VAI0_LOBIT  0x1C
+#define DSPDMAC_CHNLSTATUS_VAI0_HIBIT  0x1F
+#define DSPDMAC_CHNLSTATUS_VAI0_MASK   0xF0000000
+
+#define DSPDMAC_CHNLPROP_MODULE_OFFSET 0xFF8
+#define DSPDMAC_CHNLPROP_INST_OFFSET \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_CHNLPROP_MODULE_OFFSET)
+
+#define DSPDMAC_CHNLPROP_DCON_LOBIT    0x0
+#define DSPDMAC_CHNLPROP_DCON_HIBIT    0xB
+#define DSPDMAC_CHNLPROP_DCON_MASK     0xFFF
+
+#define DSPDMAC_CHNLPROP_FFS_LOBIT     0xC
+#define DSPDMAC_CHNLPROP_FFS_HIBIT     0xC
+#define DSPDMAC_CHNLPROP_FFS_MASK      0x1000
+
+#define DSPDMAC_CHNLPROP_NAJ_LOBIT     0xD
+#define DSPDMAC_CHNLPROP_NAJ_HIBIT     0xD
+#define DSPDMAC_CHNLPROP_NAJ_MASK      0x2000
+
+#define DSPDMAC_CHNLPROP_ENH_LOBIT     0xE
+#define DSPDMAC_CHNLPROP_ENH_HIBIT     0xE
+#define DSPDMAC_CHNLPROP_ENH_MASK      0x4000
+
+#define DSPDMAC_CHNLPROP_MSPCE_LOBIT   0x10
+#define DSPDMAC_CHNLPROP_MSPCE_HIBIT   0x1B
+#define DSPDMAC_CHNLPROP_MSPCE_MASK    0xFFF0000
+
+#define DSPDMAC_CHNLPROP_AC_LOBIT      0x1C
+#define DSPDMAC_CHNLPROP_AC_HIBIT      0x1F
+#define DSPDMAC_CHNLPROP_AC_MASK       0xF0000000
+
+#define DSPDMAC_ACTIVE_MODULE_OFFSET   0xFFC
+#define DSPDMAC_ACTIVE_INST_OFFSET \
+	(DSPDMAC_CHIP_OFFSET + DSPDMAC_ACTIVE_MODULE_OFFSET)
+
+#define DSPDMAC_ACTIVE_AAR_LOBIT       0x0
+#define DSPDMAC_ACTIVE_AAR_HIBIT       0xB
+#define DSPDMAC_ACTIVE_AAR_MASK        0xFFF
+
+#define DSPDMAC_ACTIVE_WFR_LOBIT       0xC
+#define DSPDMAC_ACTIVE_WFR_HIBIT       0x17
+#define DSPDMAC_ACTIVE_WFR_MASK        0xFFF000
+
+#define DSP_AUX_MEM_BASE            0xE000
+#define INVALID_CHIP_ADDRESS        (~0U)
+
+#define X_SIZE  (XRAM_XRAM_CHANNEL_COUNT   * XRAM_XRAM_CHAN_INCR)
+#define Y_SIZE  (YRAM_YRAM_CHANNEL_COUNT   * YRAM_YRAM_CHAN_INCR)
+#define AX_SIZE (AXRAM_AXRAM_CHANNEL_COUNT * AXRAM_AXRAM_CHAN_INCR)
+#define AY_SIZE (AYRAM_AYRAM_CHANNEL_COUNT * AYRAM_AYRAM_CHAN_INCR)
+#define UC_SIZE (UC_UC_CHANNEL_COUNT       * UC_UC_CHAN_INCR)
+
+#define XEXT_SIZE (X_SIZE + AX_SIZE)
+#define YEXT_SIZE (Y_SIZE + AY_SIZE)
+
+#define U64K 0x10000UL
+
+#define X_END  (XRAM_CHIP_OFFSET  + X_SIZE)
+#define X_EXT  (XRAM_CHIP_OFFSET  + XEXT_SIZE)
+#define AX_END (XRAM_CHIP_OFFSET  + U64K*4)
+
+#define Y_END  (YRAM_CHIP_OFFSET  + Y_SIZE)
+#define Y_EXT  (YRAM_CHIP_OFFSET  + YEXT_SIZE)
+#define AY_END (YRAM_CHIP_OFFSET  + U64K*4)
+
+#define UC_END (UC_CHIP_OFFSET    + UC_SIZE)
+
+#define X_RANGE_MAIN(a, s) \
+	(((a)+((s)-1)*XRAM_XRAM_CHAN_INCR <  X_END))
+#define X_RANGE_AUX(a, s)  \
+	(((a) >= X_END) && ((a)+((s)-1)*XRAM_XRAM_CHAN_INCR < AX_END))
+#define X_RANGE_EXT(a, s)  \
+	(((a)+((s)-1)*XRAM_XRAM_CHAN_INCR <  X_EXT))
+#define X_RANGE_ALL(a, s)  \
+	(((a)+((s)-1)*XRAM_XRAM_CHAN_INCR < AX_END))
+
+#define Y_RANGE_MAIN(a, s) \
+	(((a) >= YRAM_CHIP_OFFSET) && \
+	((a)+((s)-1)*YRAM_YRAM_CHAN_INCR <  Y_END))
+#define Y_RANGE_AUX(a, s)  \
+	(((a) >= Y_END) && \
+	((a)+((s)-1)*YRAM_YRAM_CHAN_INCR < AY_END))
+#define Y_RANGE_EXT(a, s)  \
+	(((a) >= YRAM_CHIP_OFFSET) && \
+	((a)+((s)-1)*YRAM_YRAM_CHAN_INCR <  Y_EXT))
+#define Y_RANGE_ALL(a, s)  \
+	(((a) >= YRAM_CHIP_OFFSET) && \
+	((a)+((s)-1)*YRAM_YRAM_CHAN_INCR < AY_END))
+
+#define UC_RANGE(a, s) \
+	(((a) >= UC_CHIP_OFFSET) && \
+	((a)+((s)-1)*UC_UC_CHAN_INCR     < UC_END))
+
+#define X_OFF(a) \
+	(((a) - XRAM_CHIP_OFFSET) / XRAM_XRAM_CHAN_INCR)
+#define AX_OFF(a) \
+	(((a) % (AXRAM_AXRAM_CHANNEL_COUNT * \
+	AXRAM_AXRAM_CHAN_INCR)) / AXRAM_AXRAM_CHAN_INCR)
+
+#define Y_OFF(a) \
+	(((a) - YRAM_CHIP_OFFSET) / YRAM_YRAM_CHAN_INCR)
+#define AY_OFF(a) \
+	(((a) % (AYRAM_AYRAM_CHANNEL_COUNT * \
+	AYRAM_AYRAM_CHAN_INCR)) / AYRAM_AYRAM_CHAN_INCR)
+
+#define UC_OFF(a)  (((a) - UC_CHIP_OFFSET) / UC_UC_CHAN_INCR)
+
+#define X_EXT_MAIN_SIZE(a)  (XRAM_XRAM_CHANNEL_COUNT - X_OFF(a))
+#define X_EXT_AUX_SIZE(a, s) ((s) - X_EXT_MAIN_SIZE(a))
+
+#define Y_EXT_MAIN_SIZE(a)  (YRAM_YRAM_CHANNEL_COUNT - Y_OFF(a))
+#define Y_EXT_AUX_SIZE(a, s) ((s) - Y_EXT_MAIN_SIZE(a))
+
+#endif

sound/pci/hda/dell_wmi_helper.c

@@ -0,0 +1,76 @@
+/* Helper functions for Dell Mic Mute LED control;
+ * to be included from codec driver
+ */
+
+#if IS_ENABLED(CONFIG_LEDS_DELL_NETBOOKS)
+#include <linux/dell-led.h>
+
+static int dell_led_value;
+static int (*dell_led_set_func)(int, int);
+static void (*dell_old_cap_hook)(struct hda_codec *,
+			         struct snd_kcontrol *,
+				 struct snd_ctl_elem_value *);
+
+static void update_dell_wmi_micmute_led(struct hda_codec *codec,
+				        struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
+{
+	if (dell_old_cap_hook)
+		dell_old_cap_hook(codec, kcontrol, ucontrol);
+
+	if (!ucontrol || !dell_led_set_func)
+		return;
+	if (strcmp("Capture Switch", ucontrol->id.name) == 0 && ucontrol->id.index == 0) {
+		/* TODO: How do I verify if it's a mono or stereo here? */
+		int val = (ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1]) ? 0 : 1;
+		if (val == dell_led_value)
+			return;
+		dell_led_value = val;
+		if (dell_led_set_func)
+			dell_led_set_func(DELL_LED_MICMUTE, dell_led_value);
+	}
+}
+
+
+static void alc_fixup_dell_wmi(struct hda_codec *codec,
+			       const struct hda_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+	bool removefunc = false;
+
+	if (action == HDA_FIXUP_ACT_PROBE) {
+		if (!dell_led_set_func)
+			dell_led_set_func = symbol_request(dell_app_wmi_led_set);
+		if (!dell_led_set_func) {
+			codec_warn(codec, "Failed to find dell wmi symbol dell_app_wmi_led_set\n");
+			return;
+		}
+
+		removefunc = true;
+		if (dell_led_set_func(DELL_LED_MICMUTE, false) >= 0) {
+			dell_led_value = 0;
+			if (spec->gen.num_adc_nids > 1)
+				codec_dbg(codec, "Skipping micmute LED control due to several ADCs");
+			else {
+				dell_old_cap_hook = spec->gen.cap_sync_hook;
+				spec->gen.cap_sync_hook = update_dell_wmi_micmute_led;
+				removefunc = false;
+			}
+		}
+
+	}
+
+	if (dell_led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) {
+		symbol_put(dell_app_wmi_led_set);
+		dell_led_set_func = NULL;
+		dell_old_cap_hook = NULL;
+	}
+}
+
+#else /* CONFIG_LEDS_DELL_NETBOOKS */
+static void alc_fixup_dell_wmi(struct hda_codec *codec,
+			       const struct hda_fixup *fix, int action)
+{
+}
+
+#endif /* CONFIG_LEDS_DELL_NETBOOKS */

sound/pci/hda/hda_auto_parser.c

@@ -0,0 +1,945 @@
+/*
+ * BIOS auto-parser helper functions for HD-audio
+ *
+ * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/slab.h>
+#include <linux/export.h>
+#include <linux/sort.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+#include "hda_auto_parser.h"
+
+/*
+ * Helper for automatic pin configuration
+ */
+
+static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
+{
+	for (; *list; list++)
+		if (*list == nid)
+			return 1;
+	return 0;
+}
+
+/* a pair of input pin and its sequence */
+struct auto_out_pin {
+	hda_nid_t pin;
+	short seq;
+};
+
+static int compare_seq(const void *ap, const void *bp)
+{
+	const struct auto_out_pin *a = ap;
+	const struct auto_out_pin *b = bp;
+	return (int)(a->seq - b->seq);
+}
+
+/*
+ * Sort an associated group of pins according to their sequence numbers.
+ * then store it to a pin array.
+ */
+static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list,
+				  int num_pins)
+{
+	int i;
+	sort(list, num_pins, sizeof(list[0]), compare_seq, NULL);
+	for (i = 0; i < num_pins; i++)
+		pins[i] = list[i].pin;
+}
+
+
+/* add the found input-pin to the cfg->inputs[] table */
+static void add_auto_cfg_input_pin(struct hda_codec *codec, struct auto_pin_cfg *cfg,
+				   hda_nid_t nid, int type)
+{
+	if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
+		cfg->inputs[cfg->num_inputs].pin = nid;
+		cfg->inputs[cfg->num_inputs].type = type;
+		cfg->inputs[cfg->num_inputs].has_boost_on_pin =
+			nid_has_volume(codec, nid, HDA_INPUT);
+		cfg->num_inputs++;
+	}
+}
+
+static int compare_input_type(const void *ap, const void *bp)
+{
+	const struct auto_pin_cfg_item *a = ap;
+	const struct auto_pin_cfg_item *b = bp;
+	if (a->type != b->type)
+		return (int)(a->type - b->type);
+
+	/* In case one has boost and the other one has not,
+	   pick the one with boost first. */
+	return (int)(b->has_boost_on_pin - a->has_boost_on_pin);
+}
+
+/* Reorder the surround channels
+ * ALSA sequence is front/surr/clfe/side
+ * HDA sequence is:
+ *    4-ch: front/surr  =>  OK as it is
+ *    6-ch: front/clfe/surr
+ *    8-ch: front/clfe/rear/side|fc
+ */
+static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
+{
+	hda_nid_t nid;
+
+	switch (nums) {
+	case 3:
+	case 4:
+		nid = pins[1];
+		pins[1] = pins[2];
+		pins[2] = nid;
+		break;
+	}
+}
+
+/* check whether the given pin has a proper pin I/O capability bit */
+static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin,
+				  unsigned int dev)
+{
+	unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
+
+	/* some old hardware don't return the proper pincaps */
+	if (!pincap)
+		return true;
+
+	switch (dev) {
+	case AC_JACK_LINE_OUT:
+	case AC_JACK_SPEAKER:
+	case AC_JACK_HP_OUT:
+	case AC_JACK_SPDIF_OUT:
+	case AC_JACK_DIG_OTHER_OUT:
+		return !!(pincap & AC_PINCAP_OUT);
+	default:
+		return !!(pincap & AC_PINCAP_IN);
+	}
+}
+
+static bool can_be_headset_mic(struct hda_codec *codec,
+			       struct auto_pin_cfg_item *item,
+			       int seq_number)
+{
+	int attr;
+	unsigned int def_conf;
+	if (item->type != AUTO_PIN_MIC)
+		return false;
+
+	if (item->is_headset_mic || item->is_headphone_mic)
+		return false; /* Already assigned */
+
+	def_conf = snd_hda_codec_get_pincfg(codec, item->pin);
+	attr = snd_hda_get_input_pin_attr(def_conf);
+	if (attr <= INPUT_PIN_ATTR_DOCK)
+		return false;
+
+	if (seq_number >= 0) {
+		int seq = get_defcfg_sequence(def_conf);
+		if (seq != seq_number)
+			return false;
+	}
+
+	return true;
+}
+
+/*
+ * Parse all pin widgets and store the useful pin nids to cfg
+ *
+ * The number of line-outs or any primary output is stored in line_outs,
+ * and the corresponding output pins are assigned to line_out_pins[],
+ * in the order of front, rear, CLFE, side, ...
+ *
+ * If more extra outputs (speaker and headphone) are found, the pins are
+ * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
+ * is detected, one of speaker of HP pins is assigned as the primary
+ * output, i.e. to line_out_pins[0].  So, line_outs is always positive
+ * if any analog output exists.
+ *
+ * The analog input pins are assigned to inputs array.
+ * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
+ * respectively.
+ */
+int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
+			     struct auto_pin_cfg *cfg,
+			     const hda_nid_t *ignore_nids,
+			     unsigned int cond_flags)
+{
+	hda_nid_t nid, end_nid;
+	short seq, assoc_line_out;
+	struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
+	struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
+	struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
+	int i;
+
+	if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
+		cond_flags = i;
+
+	memset(cfg, 0, sizeof(*cfg));
+
+	memset(line_out, 0, sizeof(line_out));
+	memset(speaker_out, 0, sizeof(speaker_out));
+	memset(hp_out, 0, sizeof(hp_out));
+	assoc_line_out = 0;
+
+	end_nid = codec->start_nid + codec->num_nodes;
+	for (nid = codec->start_nid; nid < end_nid; nid++) {
+		unsigned int wid_caps = get_wcaps(codec, nid);
+		unsigned int wid_type = get_wcaps_type(wid_caps);
+		unsigned int def_conf;
+		short assoc, loc, conn, dev;
+
+		/* read all default configuration for pin complex */
+		if (wid_type != AC_WID_PIN)
+			continue;
+		/* ignore the given nids (e.g. pc-beep returns error) */
+		if (ignore_nids && is_in_nid_list(nid, ignore_nids))
+			continue;
+
+		def_conf = snd_hda_codec_get_pincfg(codec, nid);
+		conn = get_defcfg_connect(def_conf);
+		if (conn == AC_JACK_PORT_NONE)
+			continue;
+		loc = get_defcfg_location(def_conf);
+		dev = get_defcfg_device(def_conf);
+
+		/* workaround for buggy BIOS setups */
+		if (dev == AC_JACK_LINE_OUT) {
+			if (conn == AC_JACK_PORT_FIXED ||
+			    conn == AC_JACK_PORT_BOTH)
+				dev = AC_JACK_SPEAKER;
+		}
+
+		if (!check_pincap_validity(codec, nid, dev))
+			continue;
+
+		switch (dev) {
+		case AC_JACK_LINE_OUT:
+			seq = get_defcfg_sequence(def_conf);
+			assoc = get_defcfg_association(def_conf);
+
+			if (!(wid_caps & AC_WCAP_STEREO))
+				if (!cfg->mono_out_pin)
+					cfg->mono_out_pin = nid;
+			if (!assoc)
+				continue;
+			if (!assoc_line_out)
+				assoc_line_out = assoc;
+			else if (assoc_line_out != assoc) {
+				codec_info(codec,
+					   "ignore pin 0x%x with mismatching assoc# 0x%x vs 0x%x\n",
+					   nid, assoc, assoc_line_out);
+				continue;
+			}
+			if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) {
+				codec_info(codec,
+					   "ignore pin 0x%x, too many assigned pins\n",
+					   nid);
+				continue;
+			}
+			line_out[cfg->line_outs].pin = nid;
+			line_out[cfg->line_outs].seq = seq;
+			cfg->line_outs++;
+			break;
+		case AC_JACK_SPEAKER:
+			seq = get_defcfg_sequence(def_conf);
+			assoc = get_defcfg_association(def_conf);
+			if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) {
+				codec_info(codec,
+					   "ignore pin 0x%x, too many assigned pins\n",
+					   nid);
+				continue;
+			}
+			speaker_out[cfg->speaker_outs].pin = nid;
+			speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq;
+			cfg->speaker_outs++;
+			break;
+		case AC_JACK_HP_OUT:
+			seq = get_defcfg_sequence(def_conf);
+			assoc = get_defcfg_association(def_conf);
+			if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) {
+				codec_info(codec,
+					   "ignore pin 0x%x, too many assigned pins\n",
+					   nid);
+				continue;
+			}
+			hp_out[cfg->hp_outs].pin = nid;
+			hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
+			cfg->hp_outs++;
+			break;
+		case AC_JACK_MIC_IN:
+			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_MIC);
+			break;
+		case AC_JACK_LINE_IN:
+			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_LINE_IN);
+			break;
+		case AC_JACK_CD:
+			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_CD);
+			break;
+		case AC_JACK_AUX:
+			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_AUX);
+			break;
+		case AC_JACK_SPDIF_OUT:
+		case AC_JACK_DIG_OTHER_OUT:
+			if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) {
+				codec_info(codec,
+					   "ignore pin 0x%x, too many assigned pins\n",
+					   nid);
+				continue;
+			}
+			cfg->dig_out_pins[cfg->dig_outs] = nid;
+			cfg->dig_out_type[cfg->dig_outs] =
+				(loc == AC_JACK_LOC_HDMI) ?
+				HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
+			cfg->dig_outs++;
+			break;
+		case AC_JACK_SPDIF_IN:
+		case AC_JACK_DIG_OTHER_IN:
+			cfg->dig_in_pin = nid;
+			if (loc == AC_JACK_LOC_HDMI)
+				cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
+			else
+				cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
+			break;
+		}
+	}
+
+	/* Find a pin that could be a headset or headphone mic */
+	if (cond_flags & HDA_PINCFG_HEADSET_MIC || cond_flags & HDA_PINCFG_HEADPHONE_MIC) {
+		bool hsmic = !!(cond_flags & HDA_PINCFG_HEADSET_MIC);
+		bool hpmic = !!(cond_flags & HDA_PINCFG_HEADPHONE_MIC);
+		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++)
+			if (hsmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xc)) {
+				cfg->inputs[i].is_headset_mic = 1;
+				hsmic = false;
+			} else if (hpmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xd)) {
+				cfg->inputs[i].is_headphone_mic = 1;
+				hpmic = false;
+			}
+
+		/* If we didn't find our sequence number mark, fall back to any sequence number */
+		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++) {
+			if (!can_be_headset_mic(codec, &cfg->inputs[i], -1))
+				continue;
+			if (hsmic) {
+				cfg->inputs[i].is_headset_mic = 1;
+				hsmic = false;
+			} else if (hpmic) {
+				cfg->inputs[i].is_headphone_mic = 1;
+				hpmic = false;
+			}
+		}
+
+		if (hsmic)
+			codec_dbg(codec, "Told to look for a headset mic, but didn't find any.\n");
+		if (hpmic)
+			codec_dbg(codec, "Told to look for a headphone mic, but didn't find any.\n");
+	}
+
+	/* FIX-UP:
+	 * If no line-out is defined but multiple HPs are found,
+	 * some of them might be the real line-outs.
+	 */
+	if (!cfg->line_outs && cfg->hp_outs > 1 &&
+	    !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
+		int i = 0;
+		while (i < cfg->hp_outs) {
+			/* The real HPs should have the sequence 0x0f */
+			if ((hp_out[i].seq & 0x0f) == 0x0f) {
+				i++;
+				continue;
+			}
+			/* Move it to the line-out table */
+			line_out[cfg->line_outs++] = hp_out[i];
+			cfg->hp_outs--;
+			memmove(hp_out + i, hp_out + i + 1,
+				sizeof(hp_out[0]) * (cfg->hp_outs - i));
+		}
+		memset(hp_out + cfg->hp_outs, 0,
+		       sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
+		if (!cfg->hp_outs)
+			cfg->line_out_type = AUTO_PIN_HP_OUT;
+
+	}
+
+	/* sort by sequence */
+	sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs);
+	sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
+			      cfg->speaker_outs);
+	sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs);
+
+	/*
+	 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
+	 * as a primary output
+	 */
+	if (!cfg->line_outs &&
+	    !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
+		if (cfg->speaker_outs) {
+			cfg->line_outs = cfg->speaker_outs;
+			memcpy(cfg->line_out_pins, cfg->speaker_pins,
+			       sizeof(cfg->speaker_pins));
+			cfg->speaker_outs = 0;
+			memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
+			cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
+		} else if (cfg->hp_outs) {
+			cfg->line_outs = cfg->hp_outs;
+			memcpy(cfg->line_out_pins, cfg->hp_pins,
+			       sizeof(cfg->hp_pins));
+			cfg->hp_outs = 0;
+			memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
+			cfg->line_out_type = AUTO_PIN_HP_OUT;
+		}
+	}
+
+	reorder_outputs(cfg->line_outs, cfg->line_out_pins);
+	reorder_outputs(cfg->hp_outs, cfg->hp_pins);
+	reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
+
+	/* sort inputs in the order of AUTO_PIN_* type */
+	sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
+	     compare_input_type, NULL);
+
+	/*
+	 * debug prints of the parsed results
+	 */
+	codec_info(codec, "autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
+		   cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
+		   cfg->line_out_pins[2], cfg->line_out_pins[3],
+		   cfg->line_out_pins[4],
+		   cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
+		   (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
+		    "speaker" : "line"));
+	codec_info(codec, "   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
+		   cfg->speaker_outs, cfg->speaker_pins[0],
+		   cfg->speaker_pins[1], cfg->speaker_pins[2],
+		   cfg->speaker_pins[3], cfg->speaker_pins[4]);
+	codec_info(codec, "   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
+		   cfg->hp_outs, cfg->hp_pins[0],
+		   cfg->hp_pins[1], cfg->hp_pins[2],
+		   cfg->hp_pins[3], cfg->hp_pins[4]);
+	codec_info(codec, "   mono: mono_out=0x%x\n", cfg->mono_out_pin);
+	if (cfg->dig_outs)
+		codec_info(codec, "   dig-out=0x%x/0x%x\n",
+			   cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
+	codec_info(codec, "   inputs:\n");
+	for (i = 0; i < cfg->num_inputs; i++) {
+		codec_info(codec, "     %s=0x%x\n",
+			    hda_get_autocfg_input_label(codec, cfg, i),
+			    cfg->inputs[i].pin);
+	}
+	if (cfg->dig_in_pin)
+		codec_info(codec, "   dig-in=0x%x\n", cfg->dig_in_pin);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg);
+
+int snd_hda_get_input_pin_attr(unsigned int def_conf)
+{
+	unsigned int loc = get_defcfg_location(def_conf);
+	unsigned int conn = get_defcfg_connect(def_conf);
+	if (conn == AC_JACK_PORT_NONE)
+		return INPUT_PIN_ATTR_UNUSED;
+	/* Windows may claim the internal mic to be BOTH, too */
+	if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
+		return INPUT_PIN_ATTR_INT;
+	if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
+		return INPUT_PIN_ATTR_INT;
+	if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
+		return INPUT_PIN_ATTR_DOCK;
+	if (loc == AC_JACK_LOC_REAR)
+		return INPUT_PIN_ATTR_REAR;
+	if (loc == AC_JACK_LOC_FRONT)
+		return INPUT_PIN_ATTR_FRONT;
+	return INPUT_PIN_ATTR_NORMAL;
+}
+EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr);
+
+/**
+ * hda_get_input_pin_label - Give a label for the given input pin
+ *
+ * When check_location is true, the function checks the pin location
+ * for mic and line-in pins, and set an appropriate prefix like "Front",
+ * "Rear", "Internal".
+ */
+
+static const char *hda_get_input_pin_label(struct hda_codec *codec,
+					   const struct auto_pin_cfg_item *item,
+					   hda_nid_t pin, bool check_location)
+{
+	unsigned int def_conf;
+	static const char * const mic_names[] = {
+		"Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
+	};
+	int attr;
+
+	def_conf = snd_hda_codec_get_pincfg(codec, pin);
+
+	switch (get_defcfg_device(def_conf)) {
+	case AC_JACK_MIC_IN:
+		if (item && item->is_headset_mic)
+			return "Headset Mic";
+		if (item && item->is_headphone_mic)
+			return "Headphone Mic";
+		if (!check_location)
+			return "Mic";
+		attr = snd_hda_get_input_pin_attr(def_conf);
+		if (!attr)
+			return "None";
+		return mic_names[attr - 1];
+	case AC_JACK_LINE_IN:
+		if (!check_location)
+			return "Line";
+		attr = snd_hda_get_input_pin_attr(def_conf);
+		if (!attr)
+			return "None";
+		if (attr == INPUT_PIN_ATTR_DOCK)
+			return "Dock Line";
+		return "Line";
+	case AC_JACK_AUX:
+		return "Aux";
+	case AC_JACK_CD:
+		return "CD";
+	case AC_JACK_SPDIF_IN:
+		return "SPDIF In";
+	case AC_JACK_DIG_OTHER_IN:
+		return "Digital In";
+	case AC_JACK_HP_OUT:
+		return "Headphone Mic";
+	default:
+		return "Misc";
+	}
+}
+
+/* Check whether the location prefix needs to be added to the label.
+ * If all mic-jacks are in the same location (e.g. rear panel), we don't
+ * have to put "Front" prefix to each label.  In such a case, returns false.
+ */
+static int check_mic_location_need(struct hda_codec *codec,
+				   const struct auto_pin_cfg *cfg,
+				   int input)
+{
+	unsigned int defc;
+	int i, attr, attr2;
+
+	defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
+	attr = snd_hda_get_input_pin_attr(defc);
+	/* for internal or docking mics, we need locations */
+	if (attr <= INPUT_PIN_ATTR_NORMAL)
+		return 1;
+
+	attr = 0;
+	for (i = 0; i < cfg->num_inputs; i++) {
+		defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
+		attr2 = snd_hda_get_input_pin_attr(defc);
+		if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
+			if (attr && attr != attr2)
+				return 1; /* different locations found */
+			attr = attr2;
+		}
+	}
+	return 0;
+}
+
+/**
+ * hda_get_autocfg_input_label - Get a label for the given input
+ *
+ * Get a label for the given input pin defined by the autocfg item.
+ * Unlike hda_get_input_pin_label(), this function checks all inputs
+ * defined in autocfg and avoids the redundant mic/line prefix as much as
+ * possible.
+ */
+const char *hda_get_autocfg_input_label(struct hda_codec *codec,
+					const struct auto_pin_cfg *cfg,
+					int input)
+{
+	int type = cfg->inputs[input].type;
+	int has_multiple_pins = 0;
+
+	if ((input > 0 && cfg->inputs[input - 1].type == type) ||
+	    (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
+		has_multiple_pins = 1;
+	if (has_multiple_pins && type == AUTO_PIN_MIC)
+		has_multiple_pins &= check_mic_location_need(codec, cfg, input);
+	return hda_get_input_pin_label(codec, &cfg->inputs[input],
+				       cfg->inputs[input].pin,
+				       has_multiple_pins);
+}
+EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);
+
+/* return the position of NID in the list, or -1 if not found */
+static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
+{
+	int i;
+	for (i = 0; i < nums; i++)
+		if (list[i] == nid)
+			return i;
+	return -1;
+}
+
+/* get a unique suffix or an index number */
+static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
+				    int num_pins, int *indexp)
+{
+	static const char * const channel_sfx[] = {
+		" Front", " Surround", " CLFE", " Side"
+	};
+	int i;
+
+	i = find_idx_in_nid_list(nid, pins, num_pins);
+	if (i < 0)
+		return NULL;
+	if (num_pins == 1)
+		return "";
+	if (num_pins > ARRAY_SIZE(channel_sfx)) {
+		if (indexp)
+			*indexp = i;
+		return "";
+	}
+	return channel_sfx[i];
+}
+
+static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
+	int attr = snd_hda_get_input_pin_attr(def_conf);
+
+	/* check the location */
+	switch (attr) {
+	case INPUT_PIN_ATTR_DOCK:
+		return "Dock ";
+	case INPUT_PIN_ATTR_FRONT:
+		return "Front ";
+	}
+	return "";
+}
+
+static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
+			      const hda_nid_t *pins, int num_pins)
+{
+	int i, j, idx = 0;
+
+	const char *pfx = check_output_pfx(codec, nid);
+
+	i = find_idx_in_nid_list(nid, pins, num_pins);
+	if (i < 0)
+		return -1;
+	for (j = 0; j < i; j++)
+		if (pfx == check_output_pfx(codec, pins[j]))
+			idx++;
+
+	return idx;
+}
+
+static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
+			       const struct auto_pin_cfg *cfg,
+			       const char *name, char *label, int maxlen,
+			       int *indexp)
+{
+	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
+	int attr = snd_hda_get_input_pin_attr(def_conf);
+	const char *pfx, *sfx = "";
+
+	/* handle as a speaker if it's a fixed line-out */
+	if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
+		name = "Speaker";
+	pfx = check_output_pfx(codec, nid);
+
+	if (cfg) {
+		/* try to give a unique suffix if needed */
+		sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
+				       indexp);
+		if (!sfx)
+			sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
+					       indexp);
+		if (!sfx) {
+			/* don't add channel suffix for Headphone controls */
+			int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
+						     cfg->hp_outs);
+			if (idx >= 0 && indexp)
+				*indexp = idx;
+			sfx = "";
+		}
+	}
+	snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
+	return 1;
+}
+
+#define is_hdmi_cfg(conf) \
+	(get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
+
+/**
+ * snd_hda_get_pin_label - Get a label for the given I/O pin
+ *
+ * Get a label for the given pin.  This function works for both input and
+ * output pins.  When @cfg is given as non-NULL, the function tries to get
+ * an optimized label using hda_get_autocfg_input_label().
+ *
+ * This function tries to give a unique label string for the pin as much as
+ * possible.  For example, when the multiple line-outs are present, it adds
+ * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
+ * If no unique name with a suffix is available and @indexp is non-NULL, the
+ * index number is stored in the pointer.
+ */
+int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
+			  const struct auto_pin_cfg *cfg,
+			  char *label, int maxlen, int *indexp)
+{
+	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
+	const char *name = NULL;
+	int i;
+	bool hdmi;
+
+	if (indexp)
+		*indexp = 0;
+	if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
+		return 0;
+
+	switch (get_defcfg_device(def_conf)) {
+	case AC_JACK_LINE_OUT:
+		return fill_audio_out_name(codec, nid, cfg, "Line Out",
+					   label, maxlen, indexp);
+	case AC_JACK_SPEAKER:
+		return fill_audio_out_name(codec, nid, cfg, "Speaker",
+					   label, maxlen, indexp);
+	case AC_JACK_HP_OUT:
+		return fill_audio_out_name(codec, nid, cfg, "Headphone",
+					   label, maxlen, indexp);
+	case AC_JACK_SPDIF_OUT:
+	case AC_JACK_DIG_OTHER_OUT:
+		hdmi = is_hdmi_cfg(def_conf);
+		name = hdmi ? "HDMI" : "SPDIF";
+		if (cfg && indexp)
+			for (i = 0; i < cfg->dig_outs; i++) {
+				hda_nid_t pin = cfg->dig_out_pins[i];
+				unsigned int c;
+				if (pin == nid)
+					break;
+				c = snd_hda_codec_get_pincfg(codec, pin);
+				if (hdmi == is_hdmi_cfg(c))
+					(*indexp)++;
+			}
+		break;
+	default:
+		if (cfg) {
+			for (i = 0; i < cfg->num_inputs; i++) {
+				if (cfg->inputs[i].pin != nid)
+					continue;
+				name = hda_get_autocfg_input_label(codec, cfg, i);
+				if (name)
+					break;
+			}
+		}
+		if (!name)
+			name = hda_get_input_pin_label(codec, NULL, nid, true);
+		break;
+	}
+	if (!name)
+		return 0;
+	strlcpy(label, name, maxlen);
+	return 1;
+}
+EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
+
+int snd_hda_add_verbs(struct hda_codec *codec,
+		      const struct hda_verb *list)
+{
+	const struct hda_verb **v;
+	v = snd_array_new(&codec->verbs);
+	if (!v)
+		return -ENOMEM;
+	*v = list;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
+
+void snd_hda_apply_verbs(struct hda_codec *codec)
+{
+	int i;
+	for (i = 0; i < codec->verbs.used; i++) {
+		struct hda_verb **v = snd_array_elem(&codec->verbs, i);
+		snd_hda_sequence_write(codec, *v);
+	}
+}
+EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
+
+void snd_hda_apply_pincfgs(struct hda_codec *codec,
+			   const struct hda_pintbl *cfg)
+{
+	for (; cfg->nid; cfg++)
+		snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
+}
+EXPORT_SYMBOL_GPL(snd_hda_apply_pincfgs);
+
+static void set_pin_targets(struct hda_codec *codec,
+			    const struct hda_pintbl *cfg)
+{
+	for (; cfg->nid; cfg++)
+		snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
+}
+
+static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
+{
+	const char *modelname = codec->fixup_name;
+
+	while (id >= 0) {
+		const struct hda_fixup *fix = codec->fixup_list + id;
+
+		if (fix->chained_before)
+			apply_fixup(codec, fix->chain_id, action, depth + 1);
+
+		switch (fix->type) {
+		case HDA_FIXUP_PINS:
+			if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
+				break;
+			codec_dbg(codec, "%s: Apply pincfg for %s\n",
+				    codec->chip_name, modelname);
+			snd_hda_apply_pincfgs(codec, fix->v.pins);
+			break;
+		case HDA_FIXUP_VERBS:
+			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
+				break;
+			codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
+				    codec->chip_name, modelname);
+			snd_hda_add_verbs(codec, fix->v.verbs);
+			break;
+		case HDA_FIXUP_FUNC:
+			if (!fix->v.func)
+				break;
+			codec_dbg(codec, "%s: Apply fix-func for %s\n",
+				    codec->chip_name, modelname);
+			fix->v.func(codec, fix, action);
+			break;
+		case HDA_FIXUP_PINCTLS:
+			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
+				break;
+			codec_dbg(codec, "%s: Apply pinctl for %s\n",
+				    codec->chip_name, modelname);
+			set_pin_targets(codec, fix->v.pins);
+			break;
+		default:
+			codec_err(codec, "%s: Invalid fixup type %d\n",
+				   codec->chip_name, fix->type);
+			break;
+		}
+		if (!fix->chained || fix->chained_before)
+			break;
+		if (++depth > 10)
+			break;
+		id = fix->chain_id;
+	}
+}
+
+void snd_hda_apply_fixup(struct hda_codec *codec, int action)
+{
+	if (codec->fixup_list)
+		apply_fixup(codec, codec->fixup_id, action, 0);
+}
+EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
+
+static bool pin_config_match(struct hda_codec *codec,
+			     const struct hda_pintbl *pins)
+{
+	for (; pins->nid; pins++) {
+		u32 def_conf = snd_hda_codec_get_pincfg(codec, pins->nid);
+		if (pins->val != def_conf)
+			return false;
+	}
+	return true;
+}
+
+void snd_hda_pick_pin_fixup(struct hda_codec *codec,
+			    const struct snd_hda_pin_quirk *pin_quirk,
+			    const struct hda_fixup *fixlist)
+{
+	const struct snd_hda_pin_quirk *pq;
+
+	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
+		return;
+
+	for (pq = pin_quirk; pq->subvendor; pq++) {
+		if ((codec->subsystem_id & 0xffff0000) != (pq->subvendor << 16))
+			continue;
+		if (codec->vendor_id != pq->codec)
+			continue;
+		if (pin_config_match(codec, pq->pins)) {
+			codec->fixup_id = pq->value;
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+			codec->fixup_name = pq->name;
+#endif
+			codec->fixup_list = fixlist;
+			return;
+		}
+	}
+}
+EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);
+
+void snd_hda_pick_fixup(struct hda_codec *codec,
+			const struct hda_model_fixup *models,
+			const struct snd_pci_quirk *quirk,
+			const struct hda_fixup *fixlist)
+{
+	const struct snd_pci_quirk *q;
+	int id = HDA_FIXUP_ID_NOT_SET;
+	const char *name = NULL;
+
+	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
+		return;
+
+	/* when model=nofixup is given, don't pick up any fixups */
+	if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
+		codec->fixup_list = NULL;
+		codec->fixup_name = NULL;
+		codec->fixup_id = HDA_FIXUP_ID_NO_FIXUP;
+		return;
+	}
+
+	if (codec->modelname && models) {
+		while (models->name) {
+			if (!strcmp(codec->modelname, models->name)) {
+				codec->fixup_id = models->id;
+				codec->fixup_name = models->name;
+				codec->fixup_list = fixlist;
+				return;
+			}
+			models++;
+		}
+	}
+	if (quirk) {
+		q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
+		if (q) {
+			id = q->value;
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+			name = q->name;
+#endif
+		}
+	}
+	if (id < 0 && quirk) {
+		for (q = quirk; q->subvendor || q->subdevice; q++) {
+			unsigned int vendorid =
+				q->subdevice | (q->subvendor << 16);
+			unsigned int mask = 0xffff0000 | q->subdevice_mask;
+			if ((codec->subsystem_id & mask) == (vendorid & mask)) {
+				id = q->value;
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+				name = q->name;
+#endif
+				break;
+			}
+		}
+	}
+
+	codec->fixup_id = id;
+	if (id >= 0) {
+		codec->fixup_list = fixlist;
+		codec->fixup_name = name;
+	}
+}
+EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);

sound/pci/hda/hda_auto_parser.h

@@ -0,0 +1,119 @@
+/*
+ * BIOS auto-parser helper functions for HD-audio
+ *
+ * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SOUND_HDA_AUTO_PARSER_H
+#define __SOUND_HDA_AUTO_PARSER_H
+
+/*
+ * Helper for automatic pin configuration
+ */
+
+enum {
+	AUTO_PIN_MIC,
+	AUTO_PIN_LINE_IN,
+	AUTO_PIN_CD,
+	AUTO_PIN_AUX,
+	AUTO_PIN_LAST
+};
+
+enum {
+	AUTO_PIN_LINE_OUT,
+	AUTO_PIN_SPEAKER_OUT,
+	AUTO_PIN_HP_OUT
+};
+
+#define AUTO_CFG_MAX_OUTS	HDA_MAX_OUTS
+#define AUTO_CFG_MAX_INS	8
+
+struct auto_pin_cfg_item {
+	hda_nid_t pin;
+	int type;
+	unsigned int is_headset_mic:1;
+	unsigned int is_headphone_mic:1; /* Mic-only in headphone jack */
+	unsigned int has_boost_on_pin:1;
+};
+
+struct auto_pin_cfg;
+const char *hda_get_autocfg_input_label(struct hda_codec *codec,
+					const struct auto_pin_cfg *cfg,
+					int input);
+int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
+			  const struct auto_pin_cfg *cfg,
+			  char *label, int maxlen, int *indexp);
+
+enum {
+	INPUT_PIN_ATTR_UNUSED,	/* pin not connected */
+	INPUT_PIN_ATTR_INT,	/* internal mic/line-in */
+	INPUT_PIN_ATTR_DOCK,	/* docking mic/line-in */
+	INPUT_PIN_ATTR_NORMAL,	/* mic/line-in jack */
+	INPUT_PIN_ATTR_REAR,	/* mic/line-in jack in rear */
+	INPUT_PIN_ATTR_FRONT,	/* mic/line-in jack in front */
+	INPUT_PIN_ATTR_LAST = INPUT_PIN_ATTR_FRONT,
+};
+
+int snd_hda_get_input_pin_attr(unsigned int def_conf);
+
+struct auto_pin_cfg {
+	int line_outs;
+	/* sorted in the order of Front/Surr/CLFE/Side */
+	hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
+	int speaker_outs;
+	hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
+	int hp_outs;
+	int line_out_type;	/* AUTO_PIN_XXX_OUT */
+	hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
+	int num_inputs;
+	struct auto_pin_cfg_item inputs[AUTO_CFG_MAX_INS];
+	int dig_outs;
+	hda_nid_t dig_out_pins[2];
+	hda_nid_t dig_in_pin;
+	hda_nid_t mono_out_pin;
+	int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
+	int dig_in_type; /* HDA_PCM_TYPE_XXX */
+};
+
+/* bit-flags for snd_hda_parse_pin_def_config() behavior */
+#define HDA_PINCFG_NO_HP_FIXUP   (1 << 0) /* no HP-split */
+#define HDA_PINCFG_NO_LO_FIXUP   (1 << 1) /* don't take other outs as LO */
+#define HDA_PINCFG_HEADSET_MIC   (1 << 2) /* Try to find headset mic; mark seq number as 0xc to trigger */
+#define HDA_PINCFG_HEADPHONE_MIC (1 << 3) /* Try to find headphone mic; mark seq number as 0xd to trigger */
+
+int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
+			     struct auto_pin_cfg *cfg,
+			     const hda_nid_t *ignore_nids,
+			     unsigned int cond_flags);
+
+/* older function */
+#define snd_hda_parse_pin_def_config(codec, cfg, ignore) \
+	snd_hda_parse_pin_defcfg(codec, cfg, ignore, 0)
+
+static inline int auto_cfg_hp_outs(const struct auto_pin_cfg *cfg)
+{
+	return (cfg->line_out_type == AUTO_PIN_HP_OUT) ?
+	       cfg->line_outs : cfg->hp_outs;
+}
+static inline const hda_nid_t *auto_cfg_hp_pins(const struct auto_pin_cfg *cfg)
+{
+	return (cfg->line_out_type == AUTO_PIN_HP_OUT) ?
+	       cfg->line_out_pins : cfg->hp_pins;
+}
+static inline int auto_cfg_speaker_outs(const struct auto_pin_cfg *cfg)
+{
+	return (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT) ?
+	       cfg->line_outs : cfg->speaker_outs;
+}
+static inline const hda_nid_t *auto_cfg_speaker_pins(const struct auto_pin_cfg *cfg)
+{
+	return (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT) ?
+	       cfg->line_out_pins : cfg->speaker_pins;
+}
+
+#endif /* __SOUND_HDA_AUTO_PARSER_H */

sound/pci/hda/hda_beep.c

@@ -0,0 +1,307 @@
+/*
+ * Digital Beep Input Interface for HD-audio codec
+ *
+ * Author: Matthew Ranostay <mranostay@embeddedalley.com>
+ * Copyright (c) 2008 Embedded Alley Solutions Inc
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/input.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <linux/export.h>
+#include <sound/core.h>
+#include "hda_beep.h"
+#include "hda_local.h"
+
+enum {
+	DIGBEEP_HZ_STEP = 46875,	/* 46.875 Hz */
+	DIGBEEP_HZ_MIN = 93750,		/* 93.750 Hz */
+	DIGBEEP_HZ_MAX = 12000000,	/* 12 KHz */
+};
+
+static void snd_hda_generate_beep(struct work_struct *work)
+{
+	struct hda_beep *beep =
+		container_of(work, struct hda_beep, beep_work);
+	struct hda_codec *codec = beep->codec;
+	int tone;
+
+	if (!beep->enabled)
+		return;
+
+	tone = beep->tone;
+	if (tone && !beep->playing) {
+		snd_hda_power_up(codec);
+		beep->playing = 1;
+	}
+	/* generate tone */
+	snd_hda_codec_write(codec, beep->nid, 0,
+			    AC_VERB_SET_BEEP_CONTROL, tone);
+	if (!tone && beep->playing) {
+		beep->playing = 0;
+		snd_hda_power_down(codec);
+	}
+}
+
+/* (non-standard) Linear beep tone calculation for IDT/STAC codecs 
+ *
+ * The tone frequency of beep generator on IDT/STAC codecs is
+ * defined from the 8bit tone parameter, in Hz,
+ *    freq = 48000 * (257 - tone) / 1024
+ * that is from 12kHz to 93.75Hz in steps of 46.875 Hz
+ */
+static int beep_linear_tone(struct hda_beep *beep, int hz)
+{
+	if (hz <= 0)
+		return 0;
+	hz *= 1000; /* fixed point */
+	hz = hz - DIGBEEP_HZ_MIN
+		+ DIGBEEP_HZ_STEP / 2; /* round to nearest step */
+	if (hz < 0)
+		hz = 0; /* turn off PC beep*/
+	else if (hz >= (DIGBEEP_HZ_MAX - DIGBEEP_HZ_MIN))
+		hz = 1; /* max frequency */
+	else {
+		hz /= DIGBEEP_HZ_STEP;
+		hz = 255 - hz;
+	}
+	return hz;
+}
+
+/* HD-audio standard beep tone parameter calculation
+ *
+ * The tone frequency in Hz is calculated as
+ *   freq = 48000 / (tone * 4)
+ * from 47Hz to 12kHz
+ */
+static int beep_standard_tone(struct hda_beep *beep, int hz)
+{
+	if (hz <= 0)
+		return 0; /* disabled */
+	hz = 12000 / hz;
+	if (hz > 0xff)
+		return 0xff;
+	if (hz <= 0)
+		return 1;
+	return hz;
+}
+
+static int snd_hda_beep_event(struct input_dev *dev, unsigned int type,
+				unsigned int code, int hz)
+{
+	struct hda_beep *beep = input_get_drvdata(dev);
+
+	switch (code) {
+	case SND_BELL:
+		if (hz)
+			hz = 1000;
+		/* fallthru */
+	case SND_TONE:
+		if (beep->linear_tone)
+			beep->tone = beep_linear_tone(beep, hz);
+		else
+			beep->tone = beep_standard_tone(beep, hz);
+		break;
+	default:
+		return -1;
+	}
+
+	/* schedule beep event */
+	schedule_work(&beep->beep_work);
+	return 0;
+}
+
+static void turn_off_beep(struct hda_beep *beep)
+{
+	cancel_work_sync(&beep->beep_work);
+	if (beep->playing) {
+		/* turn off beep */
+		snd_hda_codec_write(beep->codec, beep->nid, 0,
+				    AC_VERB_SET_BEEP_CONTROL, 0);
+		beep->playing = 0;
+		snd_hda_power_down(beep->codec);
+	}
+}
+
+static void snd_hda_do_detach(struct hda_beep *beep)
+{
+	if (beep->registered)
+		input_unregister_device(beep->dev);
+	else
+		input_free_device(beep->dev);
+	beep->dev = NULL;
+	turn_off_beep(beep);
+}
+
+static int snd_hda_do_attach(struct hda_beep *beep)
+{
+	struct input_dev *input_dev;
+	struct hda_codec *codec = beep->codec;
+
+	input_dev = input_allocate_device();
+	if (!input_dev)
+		return -ENOMEM;
+
+	/* setup digital beep device */
+	input_dev->name = "HDA Digital PCBeep";
+	input_dev->phys = beep->phys;
+	input_dev->id.bustype = BUS_PCI;
+
+	input_dev->id.vendor = codec->vendor_id >> 16;
+	input_dev->id.product = codec->vendor_id & 0xffff;
+	input_dev->id.version = 0x01;
+
+	input_dev->evbit[0] = BIT_MASK(EV_SND);
+	input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
+	input_dev->event = snd_hda_beep_event;
+	input_dev->dev.parent = &codec->dev;
+	input_set_drvdata(input_dev, beep);
+
+	beep->dev = input_dev;
+	return 0;
+}
+
+int snd_hda_enable_beep_device(struct hda_codec *codec, int enable)
+{
+	struct hda_beep *beep = codec->beep;
+	if (!beep)
+		return 0;
+	enable = !!enable;
+	if (beep->enabled != enable) {
+		beep->enabled = enable;
+		if (!enable)
+			turn_off_beep(beep);
+		return 1;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_enable_beep_device);
+
+int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
+{
+	struct hda_beep *beep;
+	int err;
+
+	if (!snd_hda_get_bool_hint(codec, "beep"))
+		return 0; /* disabled explicitly by hints */
+	if (codec->beep_mode == HDA_BEEP_MODE_OFF)
+		return 0; /* disabled by module option */
+
+	beep = kzalloc(sizeof(*beep), GFP_KERNEL);
+	if (beep == NULL)
+		return -ENOMEM;
+	snprintf(beep->phys, sizeof(beep->phys),
+		"card%d/codec#%d/beep0", codec->bus->card->number, codec->addr);
+	/* enable linear scale */
+	snd_hda_codec_write_cache(codec, nid, 0,
+		AC_VERB_SET_DIGI_CONVERT_2, 0x01);
+
+	beep->nid = nid;
+	beep->codec = codec;
+	codec->beep = beep;
+
+	INIT_WORK(&beep->beep_work, &snd_hda_generate_beep);
+	mutex_init(&beep->mutex);
+
+	err = snd_hda_do_attach(beep);
+	if (err < 0) {
+		kfree(beep);
+		codec->beep = NULL;
+		return err;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_attach_beep_device);
+
+void snd_hda_detach_beep_device(struct hda_codec *codec)
+{
+	struct hda_beep *beep = codec->beep;
+	if (beep) {
+		if (beep->dev)
+			snd_hda_do_detach(beep);
+		codec->beep = NULL;
+		kfree(beep);
+	}
+}
+EXPORT_SYMBOL_GPL(snd_hda_detach_beep_device);
+
+int snd_hda_register_beep_device(struct hda_codec *codec)
+{
+	struct hda_beep *beep = codec->beep;
+	int err;
+
+	if (!beep || !beep->dev)
+		return 0;
+
+	err = input_register_device(beep->dev);
+	if (err < 0) {
+		codec_err(codec, "hda_beep: unable to register input device\n");
+		input_free_device(beep->dev);
+		codec->beep = NULL;
+		kfree(beep);
+		return err;
+	}
+	beep->registered = true;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_register_beep_device);
+
+static bool ctl_has_mute(struct snd_kcontrol *kcontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	return query_amp_caps(codec, get_amp_nid(kcontrol),
+			      get_amp_direction(kcontrol)) & AC_AMPCAP_MUTE;
+}
+
+/* get/put callbacks for beep mute mixer switches */
+int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol,
+				      struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct hda_beep *beep = codec->beep;
+	if (beep && (!beep->enabled || !ctl_has_mute(kcontrol))) {
+		ucontrol->value.integer.value[0] =
+			ucontrol->value.integer.value[1] = beep->enabled;
+		return 0;
+	}
+	return snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
+}
+EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get_beep);
+
+int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
+				      struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct hda_beep *beep = codec->beep;
+	if (beep) {
+		u8 chs = get_amp_channels(kcontrol);
+		int enable = 0;
+		long *valp = ucontrol->value.integer.value;
+		if (chs & 1) {
+			enable |= *valp;
+			valp++;
+		}
+		if (chs & 2)
+			enable |= *valp;
+		snd_hda_enable_beep_device(codec, enable);
+	}
+	if (!ctl_has_mute(kcontrol))
+		return 0;
+	return snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
+}
+EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put_beep);

sound/pci/hda/hda_beep.h

@@ -0,0 +1,63 @@
+/*
+ * Digital Beep Input Interface for HD-audio codec
+ *
+ * Author: Matthew Ranostay <mranostay@embeddedalley.com>
+ * Copyright (c) 2008 Embedded Alley Solutions Inc
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#ifndef __SOUND_HDA_BEEP_H
+#define __SOUND_HDA_BEEP_H
+
+#include "hda_codec.h"
+
+#define HDA_BEEP_MODE_OFF	0
+#define HDA_BEEP_MODE_ON	1
+
+/* beep information */
+struct hda_beep {
+	struct input_dev *dev;
+	struct hda_codec *codec;
+	char phys[32];
+	int tone;
+	hda_nid_t nid;
+	unsigned int registered:1;
+	unsigned int enabled:1;
+	unsigned int linear_tone:1;	/* linear tone for IDT/STAC codec */
+	unsigned int playing:1;
+	struct work_struct beep_work; /* scheduled task for beep event */
+	struct mutex mutex;
+};
+
+#ifdef CONFIG_SND_HDA_INPUT_BEEP
+int snd_hda_enable_beep_device(struct hda_codec *codec, int enable);
+int snd_hda_attach_beep_device(struct hda_codec *codec, int nid);
+void snd_hda_detach_beep_device(struct hda_codec *codec);
+int snd_hda_register_beep_device(struct hda_codec *codec);
+#else
+static inline int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
+{
+	return 0;
+}
+static inline void snd_hda_detach_beep_device(struct hda_codec *codec)
+{
+}
+static inline int snd_hda_register_beep_device(struct hda_codec *codec)
+{
+	return 0;
+}
+#endif
+#endif

sound/pci/hda/hda_codec.h

@@ -0,0 +1,690 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ *  more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program; if not, write to the Free Software Foundation, Inc., 59
+ *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef __SOUND_HDA_CODEC_H
+#define __SOUND_HDA_CODEC_H
+
+#include <sound/info.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/hwdep.h>
+#include <sound/hda_verbs.h>
+
+/*
+ * generic arrays
+ */
+struct snd_array {
+	unsigned int used;
+	unsigned int alloced;
+	unsigned int elem_size;
+	unsigned int alloc_align;
+	void *list;
+};
+
+void *snd_array_new(struct snd_array *array);
+void snd_array_free(struct snd_array *array);
+static inline void snd_array_init(struct snd_array *array, unsigned int size,
+				  unsigned int align)
+{
+	array->elem_size = size;
+	array->alloc_align = align;
+}
+
+static inline void *snd_array_elem(struct snd_array *array, unsigned int idx)
+{
+	return array->list + idx * array->elem_size;
+}
+
+static inline unsigned int snd_array_index(struct snd_array *array, void *ptr)
+{
+	return (unsigned long)(ptr - array->list) / array->elem_size;
+}
+
+/*
+ * Structures
+ */
+
+struct hda_bus;
+struct hda_beep;
+struct hda_codec;
+struct hda_pcm;
+struct hda_pcm_stream;
+struct hda_bus_unsolicited;
+
+/* NID type */
+typedef u16 hda_nid_t;
+
+/* bus operators */
+struct hda_bus_ops {
+	/* send a single command */
+	int (*command)(struct hda_bus *bus, unsigned int cmd);
+	/* get a response from the last command */
+	unsigned int (*get_response)(struct hda_bus *bus, unsigned int addr);
+	/* free the private data */
+	void (*private_free)(struct hda_bus *);
+	/* attach a PCM stream */
+	int (*attach_pcm)(struct hda_bus *bus, struct hda_codec *codec,
+			  struct hda_pcm *pcm);
+	/* reset bus for retry verb */
+	void (*bus_reset)(struct hda_bus *bus);
+#ifdef CONFIG_PM
+	/* notify power-up/down from codec to controller */
+	void (*pm_notify)(struct hda_bus *bus, bool power_up);
+#endif
+#ifdef CONFIG_SND_HDA_DSP_LOADER
+	/* prepare DSP transfer */
+	int (*load_dsp_prepare)(struct hda_bus *bus, unsigned int format,
+				unsigned int byte_size,
+				struct snd_dma_buffer *bufp);
+	/* start/stop DSP transfer */
+	void (*load_dsp_trigger)(struct hda_bus *bus, bool start);
+	/* clean up DSP transfer */
+	void (*load_dsp_cleanup)(struct hda_bus *bus,
+				 struct snd_dma_buffer *dmab);
+#endif
+};
+
+/* template to pass to the bus constructor */
+struct hda_bus_template {
+	void *private_data;
+	struct pci_dev *pci;
+	const char *modelname;
+	int *power_save;
+	struct hda_bus_ops ops;
+};
+
+/*
+ * codec bus
+ *
+ * each controller needs to creata a hda_bus to assign the accessor.
+ * A hda_bus contains several codecs in the list codec_list.
+ */
+struct hda_bus {
+	struct snd_card *card;
+
+	/* copied from template */
+	void *private_data;
+	struct pci_dev *pci;
+	const char *modelname;
+	int *power_save;
+	struct hda_bus_ops ops;
+
+	/* codec linked list */
+	struct list_head codec_list;
+	unsigned int num_codecs;
+	/* link caddr -> codec */
+	struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1];
+
+	struct mutex cmd_mutex;
+	struct mutex prepare_mutex;
+
+	/* unsolicited event queue */
+	struct hda_bus_unsolicited *unsol;
+	char workq_name[16];
+	struct workqueue_struct *workq;	/* common workqueue for codecs */
+
+	/* assigned PCMs */
+	DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
+
+	/* misc op flags */
+	unsigned int needs_damn_long_delay :1;
+	unsigned int allow_bus_reset:1;	/* allow bus reset at fatal error */
+	unsigned int sync_write:1;	/* sync after verb write */
+	/* status for codec/controller */
+	unsigned int shutdown :1;	/* being unloaded */
+	unsigned int rirb_error:1;	/* error in codec communication */
+	unsigned int response_reset:1;	/* controller was reset */
+	unsigned int in_reset:1;	/* during reset operation */
+	unsigned int power_keep_link_on:1; /* don't power off HDA link */
+	unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
+
+	int primary_dig_out_type;	/* primary digital out PCM type */
+};
+
+/*
+ * codec preset
+ *
+ * Known codecs have the patch to build and set up the controls/PCMs
+ * better than the generic parser.
+ */
+struct hda_codec_preset {
+	unsigned int id;
+	unsigned int mask;
+	unsigned int subs;
+	unsigned int subs_mask;
+	unsigned int rev;
+	hda_nid_t afg, mfg;
+	const char *name;
+	int (*patch)(struct hda_codec *codec);
+};
+	
+struct hda_codec_preset_list {
+	const struct hda_codec_preset *preset;
+	struct module *owner;
+	struct list_head list;
+};
+
+/* initial hook */
+int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset);
+int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset);
+
+/* ops set by the preset patch */
+struct hda_codec_ops {
+	int (*build_controls)(struct hda_codec *codec);
+	int (*build_pcms)(struct hda_codec *codec);
+	int (*init)(struct hda_codec *codec);
+	void (*free)(struct hda_codec *codec);
+	void (*unsol_event)(struct hda_codec *codec, unsigned int res);
+	void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
+				unsigned int power_state);
+#ifdef CONFIG_PM
+	int (*suspend)(struct hda_codec *codec);
+	int (*resume)(struct hda_codec *codec);
+	int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
+#endif
+	void (*reboot_notify)(struct hda_codec *codec);
+};
+
+/* record for amp information cache */
+struct hda_cache_head {
+	u32 key:31;		/* hash key */
+	u32 dirty:1;
+	u16 val;		/* assigned value */
+	u16 next;
+};
+
+struct hda_amp_info {
+	struct hda_cache_head head;
+	u32 amp_caps;		/* amp capabilities */
+	u16 vol[2];		/* current volume & mute */
+};
+
+struct hda_cache_rec {
+	u16 hash[64];			/* hash table for index */
+	struct snd_array buf;		/* record entries */
+};
+
+/* PCM callbacks */
+struct hda_pcm_ops {
+	int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
+		    struct snd_pcm_substream *substream);
+	int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
+		     struct snd_pcm_substream *substream);
+	int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
+		       unsigned int stream_tag, unsigned int format,
+		       struct snd_pcm_substream *substream);
+	int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
+		       struct snd_pcm_substream *substream);
+	unsigned int (*get_delay)(struct hda_pcm_stream *info,
+				  struct hda_codec *codec,
+				  struct snd_pcm_substream *substream);
+};
+
+/* PCM information for each substream */
+struct hda_pcm_stream {
+	unsigned int substreams;	/* number of substreams, 0 = not exist*/
+	unsigned int channels_min;	/* min. number of channels */
+	unsigned int channels_max;	/* max. number of channels */
+	hda_nid_t nid;	/* default NID to query rates/formats/bps, or set up */
+	u32 rates;	/* supported rates */
+	u64 formats;	/* supported formats (SNDRV_PCM_FMTBIT_) */
+	unsigned int maxbps;	/* supported max. bit per sample */
+	const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
+	struct hda_pcm_ops ops;
+};
+
+/* PCM types */
+enum {
+	HDA_PCM_TYPE_AUDIO,
+	HDA_PCM_TYPE_SPDIF,
+	HDA_PCM_TYPE_HDMI,
+	HDA_PCM_TYPE_MODEM,
+	HDA_PCM_NTYPES
+};
+
+/* for PCM creation */
+struct hda_pcm {
+	char *name;
+	struct hda_pcm_stream stream[2];
+	unsigned int pcm_type;	/* HDA_PCM_TYPE_XXX */
+	int device;		/* device number to assign */
+	struct snd_pcm *pcm;	/* assigned PCM instance */
+	bool own_chmap;		/* codec driver provides own channel maps */
+};
+
+/* codec information */
+struct hda_codec {
+	struct device dev;
+	struct hda_bus *bus;
+	unsigned int addr;	/* codec addr*/
+	struct list_head list;	/* list point */
+
+	hda_nid_t afg;	/* AFG node id */
+	hda_nid_t mfg;	/* MFG node id */
+
+	/* ids */
+	u8 afg_function_id;
+	u8 mfg_function_id;
+	u8 afg_unsol;
+	u8 mfg_unsol;
+	u32 vendor_id;
+	u32 subsystem_id;
+	u32 revision_id;
+
+	/* detected preset */
+	const struct hda_codec_preset *preset;
+	struct module *owner;
+	int (*parser)(struct hda_codec *codec);
+	const char *vendor_name;	/* codec vendor name */
+	const char *chip_name;		/* codec chip name */
+	const char *modelname;	/* model name for preset */
+
+	/* set by patch */
+	struct hda_codec_ops patch_ops;
+
+	/* PCM to create, set by patch_ops.build_pcms callback */
+	unsigned int num_pcms;
+	struct hda_pcm *pcm_info;
+
+	/* codec specific info */
+	void *spec;
+
+	/* beep device */
+	struct hda_beep *beep;
+	unsigned int beep_mode;
+
+	/* widget capabilities cache */
+	unsigned int num_nodes;
+	hda_nid_t start_nid;
+	u32 *wcaps;
+
+	struct snd_array mixers;	/* list of assigned mixer elements */
+	struct snd_array nids;		/* list of mapped mixer elements */
+
+	struct hda_cache_rec amp_cache;	/* cache for amp access */
+	struct hda_cache_rec cmd_cache;	/* cache for other commands */
+
+	struct list_head conn_list;	/* linked-list of connection-list */
+
+	struct mutex spdif_mutex;
+	struct mutex control_mutex;
+	struct mutex hash_mutex;
+	struct snd_array spdif_out;
+	unsigned int spdif_in_enable;	/* SPDIF input enable? */
+	const hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
+	struct snd_array init_pins;	/* initial (BIOS) pin configurations */
+	struct snd_array driver_pins;	/* pin configs set by codec parser */
+	struct snd_array cvt_setups;	/* audio convert setups */
+
+	struct mutex user_mutex;
+#ifdef CONFIG_SND_HDA_RECONFIG
+	struct snd_array init_verbs;	/* additional init verbs */
+	struct snd_array hints;		/* additional hints */
+	struct snd_array user_pins;	/* default pin configs to override */
+#endif
+
+#ifdef CONFIG_SND_HDA_HWDEP
+	struct snd_hwdep *hwdep;	/* assigned hwdep device */
+#endif
+
+	/* misc flags */
+	unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
+					     * status change
+					     * (e.g. Realtek codecs)
+					     */
+	unsigned int pin_amp_workaround:1; /* pin out-amp takes index
+					    * (e.g. Conexant codecs)
+					    */
+	unsigned int single_adc_amp:1; /* adc in-amp takes no index
+					* (e.g. CX20549 codec)
+					*/
+	unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
+	unsigned int pins_shutup:1;	/* pins are shut up */
+	unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
+	unsigned int no_jack_detect:1;	/* Machine has no jack-detection */
+	unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
+	unsigned int inv_jack_detect:1;	/* broken h/w: inverted detection bit */
+	unsigned int pcm_format_first:1; /* PCM format must be set first */
+	unsigned int epss:1;		/* supporting EPSS? */
+	unsigned int cached_write:1;	/* write only to caches */
+	unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
+	unsigned int dump_coef:1; /* dump processing coefs in codec proc file */
+#ifdef CONFIG_PM
+	unsigned int power_on :1;	/* current (global) power-state */
+	unsigned int d3_stop_clk:1;	/* support D3 operation without BCLK */
+	unsigned int pm_up_notified:1;	/* PM notified to controller */
+	unsigned int in_pm:1;		/* suspend/resume being performed */
+	int power_transition;	/* power-state in transition */
+	int power_count;	/* current (global) power refcount */
+	struct delayed_work power_work; /* delayed task for powerdown */
+	unsigned long power_on_acct;
+	unsigned long power_off_acct;
+	unsigned long power_jiffies;
+	spinlock_t power_lock;
+#endif
+
+	/* filter the requested power state per nid */
+	unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
+				     unsigned int power_state);
+
+	/* codec-specific additional proc output */
+	void (*proc_widget_hook)(struct snd_info_buffer *buffer,
+				 struct hda_codec *codec, hda_nid_t nid);
+
+	/* jack detection */
+	struct snd_array jacktbl;
+	unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
+	struct delayed_work jackpoll_work;
+
+#ifdef CONFIG_SND_HDA_INPUT_JACK
+	/* jack detection */
+	struct snd_array jacks;
+#endif
+
+	int depop_delay; /* depop delay in ms, -1 for default delay time */
+
+	/* fix-up list */
+	int fixup_id;
+	const struct hda_fixup *fixup_list;
+	const char *fixup_name;
+
+	/* additional init verbs */
+	struct snd_array verbs;
+};
+
+/* direction */
+enum {
+	HDA_INPUT, HDA_OUTPUT
+};
+
+/* snd_hda_codec_read/write optional flags */
+#define HDA_RW_NO_RESPONSE_FALLBACK	(1 << 0)
+
+/*
+ * constructors
+ */
+int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
+		    struct hda_bus **busp);
+int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
+		      struct hda_codec **codecp);
+int snd_hda_codec_configure(struct hda_codec *codec);
+int snd_hda_codec_update_widgets(struct hda_codec *codec);
+
+/*
+ * low level functions
+ */
+unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
+				int flags,
+				unsigned int verb, unsigned int parm);
+int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
+			unsigned int verb, unsigned int parm);
+#define snd_hda_param_read(codec, nid, param) \
+	snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
+int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
+			  hda_nid_t *start_id);
+int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
+			    hda_nid_t *conn_list, int max_conns);
+static inline int
+snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid)
+{
+	return snd_hda_get_connections(codec, nid, NULL, 0);
+}
+int snd_hda_get_num_raw_conns(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid,
+			    hda_nid_t *conn_list, int max_conns);
+int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
+			  const hda_nid_t **listp);
+int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
+			  const hda_nid_t *list);
+int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
+			   hda_nid_t nid, int recursive);
+int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
+			u8 *dev_list, int max_devices);
+int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
+				u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
+
+struct hda_verb {
+	hda_nid_t nid;
+	u32 verb;
+	u32 param;
+};
+
+void snd_hda_sequence_write(struct hda_codec *codec,
+			    const struct hda_verb *seq);
+
+/* unsolicited event */
+int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
+
+/* cached write */
+int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
+			      int flags, unsigned int verb, unsigned int parm);
+void snd_hda_sequence_write_cache(struct hda_codec *codec,
+				  const struct hda_verb *seq);
+int snd_hda_codec_update_cache(struct hda_codec *codec, hda_nid_t nid,
+			      int flags, unsigned int verb, unsigned int parm);
+void snd_hda_codec_resume_cache(struct hda_codec *codec);
+/* both for cmd & amp caches */
+void snd_hda_codec_flush_cache(struct hda_codec *codec);
+
+/* the struct for codec->pin_configs */
+struct hda_pincfg {
+	hda_nid_t nid;
+	unsigned char ctrl;	/* original pin control value */
+	unsigned char target;	/* target pin control value */
+	unsigned int cfg;	/* default configuration */
+};
+
+unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
+			     unsigned int cfg);
+int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
+		       hda_nid_t nid, unsigned int cfg); /* for hwdep */
+void snd_hda_shutup_pins(struct hda_codec *codec);
+
+/* SPDIF controls */
+struct hda_spdif_out {
+	hda_nid_t nid;		/* Converter nid values relate to */
+	unsigned int status;	/* IEC958 status bits */
+	unsigned short ctls;	/* SPDIF control bits */
+};
+struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
+					       hda_nid_t nid);
+void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
+void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
+
+/*
+ * Mixer
+ */
+int snd_hda_build_controls(struct hda_bus *bus);
+int snd_hda_codec_build_controls(struct hda_codec *codec);
+
+/*
+ * PCM
+ */
+int snd_hda_build_pcms(struct hda_bus *bus);
+int snd_hda_codec_build_pcms(struct hda_codec *codec);
+
+int snd_hda_codec_prepare(struct hda_codec *codec,
+			  struct hda_pcm_stream *hinfo,
+			  unsigned int stream,
+			  unsigned int format,
+			  struct snd_pcm_substream *substream);
+void snd_hda_codec_cleanup(struct hda_codec *codec,
+			   struct hda_pcm_stream *hinfo,
+			   struct snd_pcm_substream *substream);
+
+void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
+				u32 stream_tag,
+				int channel_id, int format);
+void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
+				    int do_now);
+#define snd_hda_codec_cleanup_stream(codec, nid) \
+	__snd_hda_codec_cleanup_stream(codec, nid, 0)
+unsigned int snd_hda_calc_stream_format(struct hda_codec *codec,
+					unsigned int rate,
+					unsigned int channels,
+					unsigned int format,
+					unsigned int maxbps,
+					unsigned short spdif_ctls);
+int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
+				unsigned int format);
+
+extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
+
+/*
+ * Misc
+ */
+void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
+void snd_hda_bus_reboot_notify(struct hda_bus *bus);
+void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
+				    unsigned int power_state);
+
+int snd_hda_lock_devices(struct hda_bus *bus);
+void snd_hda_unlock_devices(struct hda_bus *bus);
+
+/*
+ * power management
+ */
+#ifdef CONFIG_PM
+int snd_hda_suspend(struct hda_bus *bus);
+int snd_hda_resume(struct hda_bus *bus);
+#endif
+
+static inline
+int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
+{
+#ifdef CONFIG_PM
+	if (codec->patch_ops.check_power_status)
+		return codec->patch_ops.check_power_status(codec, nid);
+#endif
+	return 0;
+}
+
+/*
+ * get widget information
+ */
+const char *snd_hda_get_jack_connectivity(u32 cfg);
+const char *snd_hda_get_jack_type(u32 cfg);
+const char *snd_hda_get_jack_location(u32 cfg);
+
+/*
+ * power saving
+ */
+#ifdef CONFIG_PM
+void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait);
+void snd_hda_update_power_acct(struct hda_codec *codec);
+#else
+static inline void snd_hda_power_save(struct hda_codec *codec, int delta,
+				      bool d3wait) {}
+#endif
+
+/**
+ * snd_hda_power_up - Power-up the codec
+ * @codec: HD-audio codec
+ *
+ * Increment the power-up counter and power up the hardware really when
+ * not turned on yet.
+ */
+static inline void snd_hda_power_up(struct hda_codec *codec)
+{
+	snd_hda_power_save(codec, 1, false);
+}
+
+/**
+ * snd_hda_power_up_d3wait - Power-up the codec after waiting for any pending
+ *   D3 transition to complete.  This differs from snd_hda_power_up() when
+ *   power_transition == -1.  snd_hda_power_up sees this case as a nop,
+ *   snd_hda_power_up_d3wait waits for the D3 transition to complete then powers
+ *   back up.
+ * @codec: HD-audio codec
+ *
+ * Cancel any power down operation hapenning on the work queue, then power up.
+ */
+static inline void snd_hda_power_up_d3wait(struct hda_codec *codec)
+{
+	snd_hda_power_save(codec, 1, true);
+}
+
+/**
+ * snd_hda_power_down - Power-down the codec
+ * @codec: HD-audio codec
+ *
+ * Decrement the power-up counter and schedules the power-off work if
+ * the counter rearches to zero.
+ */
+static inline void snd_hda_power_down(struct hda_codec *codec)
+{
+	snd_hda_power_save(codec, -1, false);
+}
+
+/**
+ * snd_hda_power_sync - Synchronize the power-save status
+ * @codec: HD-audio codec
+ *
+ * Synchronize the actual power state with the power account;
+ * called when power_save parameter is changed
+ */
+static inline void snd_hda_power_sync(struct hda_codec *codec)
+{
+	snd_hda_power_save(codec, 0, false);
+}
+
+#ifdef CONFIG_SND_HDA_PATCH_LOADER
+/*
+ * patch firmware
+ */
+int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
+#endif
+
+#ifdef CONFIG_SND_HDA_DSP_LOADER
+static inline int
+snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
+				unsigned int size,
+				struct snd_dma_buffer *bufp)
+{
+	return codec->bus->ops.load_dsp_prepare(codec->bus, format, size, bufp);
+}
+static inline void
+snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start)
+{
+	return codec->bus->ops.load_dsp_trigger(codec->bus, start);
+}
+static inline void
+snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
+				struct snd_dma_buffer *dmab)
+{
+	return codec->bus->ops.load_dsp_cleanup(codec->bus, dmab);
+}
+#else
+static inline int
+snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
+				unsigned int size,
+				struct snd_dma_buffer *bufp)
+{
+	return -ENOSYS;
+}
+static inline void
+snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
+static inline void
+snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
+				struct snd_dma_buffer *dmab) {}
+#endif
+
+#endif /* __SOUND_HDA_CODEC_H */

sound/pci/hda/hda_controller.h

@@ -0,0 +1,56 @@
+/*
+ *  Common functionality for the alsa driver code base for HD Audio.
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ *  more details.
+ */
+
+#ifndef __SOUND_HDA_CONTROLLER_H
+#define __SOUND_HDA_CONTROLLER_H
+
+#include <sound/core.h>
+#include <sound/initval.h>
+#include "hda_codec.h"
+#include "hda_priv.h"
+
+/* PCM setup */
+static inline struct azx_dev *get_azx_dev(struct snd_pcm_substream *substream)
+{
+	return substream->runtime->private_data;
+}
+unsigned int azx_get_position(struct azx *chip, struct azx_dev *azx_dev);
+unsigned int azx_get_pos_lpib(struct azx *chip, struct azx_dev *azx_dev);
+unsigned int azx_get_pos_posbuf(struct azx *chip, struct azx_dev *azx_dev);
+
+/* Stream control. */
+void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev);
+
+/* Allocation functions. */
+int azx_alloc_stream_pages(struct azx *chip);
+void azx_free_stream_pages(struct azx *chip);
+
+/* Low level azx interface */
+void azx_init_chip(struct azx *chip, bool full_reset);
+void azx_stop_chip(struct azx *chip);
+void azx_enter_link_reset(struct azx *chip);
+irqreturn_t azx_interrupt(int irq, void *dev_id);
+
+/* Codec interface */
+int azx_codec_create(struct azx *chip, const char *model,
+		     unsigned int max_slots,
+		     int *power_save_to);
+int azx_codec_configure(struct azx *chip);
+int azx_mixer_create(struct azx *chip);
+int azx_init_stream(struct azx *chip);
+
+void azx_notifier_register(struct azx *chip);
+void azx_notifier_unregister(struct azx *chip);
+
+#endif /* __SOUND_HDA_CONTROLLER_H */

sound/pci/hda/hda_eld.c

@@ -0,0 +1,804 @@
+/*
+ * Generic routines and proc interface for ELD(EDID Like Data) information
+ *
+ * Copyright(c) 2008 Intel Corporation.
+ * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
+ *
+ * Authors:
+ * 		Wu Fengguang <wfg@linux.intel.com>
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <asm/unaligned.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+
+enum eld_versions {
+	ELD_VER_CEA_861D	= 2,
+	ELD_VER_PARTIAL		= 31,
+};
+
+enum cea_edid_versions {
+	CEA_EDID_VER_NONE	= 0,
+	CEA_EDID_VER_CEA861	= 1,
+	CEA_EDID_VER_CEA861A	= 2,
+	CEA_EDID_VER_CEA861BCD	= 3,
+	CEA_EDID_VER_RESERVED	= 4,
+};
+
+static char *cea_speaker_allocation_names[] = {
+	/*  0 */ "FL/FR",
+	/*  1 */ "LFE",
+	/*  2 */ "FC",
+	/*  3 */ "RL/RR",
+	/*  4 */ "RC",
+	/*  5 */ "FLC/FRC",
+	/*  6 */ "RLC/RRC",
+	/*  7 */ "FLW/FRW",
+	/*  8 */ "FLH/FRH",
+	/*  9 */ "TC",
+	/* 10 */ "FCH",
+};
+
+static char *eld_connection_type_names[4] = {
+	"HDMI",
+	"DisplayPort",
+	"2-reserved",
+	"3-reserved"
+};
+
+enum cea_audio_coding_types {
+	AUDIO_CODING_TYPE_REF_STREAM_HEADER	=  0,
+	AUDIO_CODING_TYPE_LPCM			=  1,
+	AUDIO_CODING_TYPE_AC3			=  2,
+	AUDIO_CODING_TYPE_MPEG1			=  3,
+	AUDIO_CODING_TYPE_MP3			=  4,
+	AUDIO_CODING_TYPE_MPEG2			=  5,
+	AUDIO_CODING_TYPE_AACLC			=  6,
+	AUDIO_CODING_TYPE_DTS			=  7,
+	AUDIO_CODING_TYPE_ATRAC			=  8,
+	AUDIO_CODING_TYPE_SACD			=  9,
+	AUDIO_CODING_TYPE_EAC3			= 10,
+	AUDIO_CODING_TYPE_DTS_HD		= 11,
+	AUDIO_CODING_TYPE_MLP			= 12,
+	AUDIO_CODING_TYPE_DST			= 13,
+	AUDIO_CODING_TYPE_WMAPRO		= 14,
+	AUDIO_CODING_TYPE_REF_CXT		= 15,
+	/* also include valid xtypes below */
+	AUDIO_CODING_TYPE_HE_AAC		= 15,
+	AUDIO_CODING_TYPE_HE_AAC2		= 16,
+	AUDIO_CODING_TYPE_MPEG_SURROUND		= 17,
+};
+
+enum cea_audio_coding_xtypes {
+	AUDIO_CODING_XTYPE_HE_REF_CT		= 0,
+	AUDIO_CODING_XTYPE_HE_AAC		= 1,
+	AUDIO_CODING_XTYPE_HE_AAC2		= 2,
+	AUDIO_CODING_XTYPE_MPEG_SURROUND	= 3,
+	AUDIO_CODING_XTYPE_FIRST_RESERVED	= 4,
+};
+
+static char *cea_audio_coding_type_names[] = {
+	/*  0 */ "undefined",
+	/*  1 */ "LPCM",
+	/*  2 */ "AC-3",
+	/*  3 */ "MPEG1",
+	/*  4 */ "MP3",
+	/*  5 */ "MPEG2",
+	/*  6 */ "AAC-LC",
+	/*  7 */ "DTS",
+	/*  8 */ "ATRAC",
+	/*  9 */ "DSD (One Bit Audio)",
+	/* 10 */ "E-AC-3/DD+ (Dolby Digital Plus)",
+	/* 11 */ "DTS-HD",
+	/* 12 */ "MLP (Dolby TrueHD)",
+	/* 13 */ "DST",
+	/* 14 */ "WMAPro",
+	/* 15 */ "HE-AAC",
+	/* 16 */ "HE-AACv2",
+	/* 17 */ "MPEG Surround",
+};
+
+/*
+ * The following two lists are shared between
+ * 	- HDMI audio InfoFrame (source to sink)
+ * 	- CEA E-EDID Extension (sink to source)
+ */
+
+/*
+ * SS1:SS0 index => sample size
+ */
+static int cea_sample_sizes[4] = {
+	0,	 		/* 0: Refer to Stream Header */
+	AC_SUPPCM_BITS_16,	/* 1: 16 bits */
+	AC_SUPPCM_BITS_20,	/* 2: 20 bits */
+	AC_SUPPCM_BITS_24,	/* 3: 24 bits */
+};
+
+/*
+ * SF2:SF1:SF0 index => sampling frequency
+ */
+static int cea_sampling_frequencies[8] = {
+	0,			/* 0: Refer to Stream Header */
+	SNDRV_PCM_RATE_32000,	/* 1:  32000Hz */
+	SNDRV_PCM_RATE_44100,	/* 2:  44100Hz */
+	SNDRV_PCM_RATE_48000,	/* 3:  48000Hz */
+	SNDRV_PCM_RATE_88200,	/* 4:  88200Hz */
+	SNDRV_PCM_RATE_96000,	/* 5:  96000Hz */
+	SNDRV_PCM_RATE_176400,	/* 6: 176400Hz */
+	SNDRV_PCM_RATE_192000,	/* 7: 192000Hz */
+};
+
+static unsigned int hdmi_get_eld_data(struct hda_codec *codec, hda_nid_t nid,
+					int byte_index)
+{
+	unsigned int val;
+
+	val = snd_hda_codec_read(codec, nid, 0,
+					AC_VERB_GET_HDMI_ELDD, byte_index);
+#ifdef BE_PARANOID
+	codec_info(codec, "HDMI: ELD data byte %d: 0x%x\n", byte_index, val);
+#endif
+	return val;
+}
+
+#define GRAB_BITS(buf, byte, lowbit, bits) 		\
+({							\
+	BUILD_BUG_ON(lowbit > 7);			\
+	BUILD_BUG_ON(bits > 8);				\
+	BUILD_BUG_ON(bits <= 0);			\
+							\
+	(buf[byte] >> (lowbit)) & ((1 << (bits)) - 1);	\
+})
+
+static void hdmi_update_short_audio_desc(struct hda_codec *codec,
+					 struct cea_sad *a,
+					 const unsigned char *buf)
+{
+	int i;
+	int val;
+
+	val = GRAB_BITS(buf, 1, 0, 7);
+	a->rates = 0;
+	for (i = 0; i < 7; i++)
+		if (val & (1 << i))
+			a->rates |= cea_sampling_frequencies[i + 1];
+
+	a->channels = GRAB_BITS(buf, 0, 0, 3);
+	a->channels++;
+
+	a->sample_bits = 0;
+	a->max_bitrate = 0;
+
+	a->format = GRAB_BITS(buf, 0, 3, 4);
+	switch (a->format) {
+	case AUDIO_CODING_TYPE_REF_STREAM_HEADER:
+		codec_info(codec, "HDMI: audio coding type 0 not expected\n");
+		break;
+
+	case AUDIO_CODING_TYPE_LPCM:
+		val = GRAB_BITS(buf, 2, 0, 3);
+		for (i = 0; i < 3; i++)
+			if (val & (1 << i))
+				a->sample_bits |= cea_sample_sizes[i + 1];
+		break;
+
+	case AUDIO_CODING_TYPE_AC3:
+	case AUDIO_CODING_TYPE_MPEG1:
+	case AUDIO_CODING_TYPE_MP3:
+	case AUDIO_CODING_TYPE_MPEG2:
+	case AUDIO_CODING_TYPE_AACLC:
+	case AUDIO_CODING_TYPE_DTS:
+	case AUDIO_CODING_TYPE_ATRAC:
+		a->max_bitrate = GRAB_BITS(buf, 2, 0, 8);
+		a->max_bitrate *= 8000;
+		break;
+
+	case AUDIO_CODING_TYPE_SACD:
+		break;
+
+	case AUDIO_CODING_TYPE_EAC3:
+		break;
+
+	case AUDIO_CODING_TYPE_DTS_HD:
+		break;
+
+	case AUDIO_CODING_TYPE_MLP:
+		break;
+
+	case AUDIO_CODING_TYPE_DST:
+		break;
+
+	case AUDIO_CODING_TYPE_WMAPRO:
+		a->profile = GRAB_BITS(buf, 2, 0, 3);
+		break;
+
+	case AUDIO_CODING_TYPE_REF_CXT:
+		a->format = GRAB_BITS(buf, 2, 3, 5);
+		if (a->format == AUDIO_CODING_XTYPE_HE_REF_CT ||
+		    a->format >= AUDIO_CODING_XTYPE_FIRST_RESERVED) {
+			codec_info(codec,
+				   "HDMI: audio coding xtype %d not expected\n",
+				   a->format);
+			a->format = 0;
+		} else
+			a->format += AUDIO_CODING_TYPE_HE_AAC -
+				     AUDIO_CODING_XTYPE_HE_AAC;
+		break;
+	}
+}
+
+/*
+ * Be careful, ELD buf could be totally rubbish!
+ */
+int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e,
+			  const unsigned char *buf, int size)
+{
+	int mnl;
+	int i;
+
+	e->eld_ver = GRAB_BITS(buf, 0, 3, 5);
+	if (e->eld_ver != ELD_VER_CEA_861D &&
+	    e->eld_ver != ELD_VER_PARTIAL) {
+		codec_info(codec, "HDMI: Unknown ELD version %d\n", e->eld_ver);
+		goto out_fail;
+	}
+
+	e->baseline_len = GRAB_BITS(buf, 2, 0, 8);
+	mnl		= GRAB_BITS(buf, 4, 0, 5);
+	e->cea_edid_ver	= GRAB_BITS(buf, 4, 5, 3);
+
+	e->support_hdcp	= GRAB_BITS(buf, 5, 0, 1);
+	e->support_ai	= GRAB_BITS(buf, 5, 1, 1);
+	e->conn_type	= GRAB_BITS(buf, 5, 2, 2);
+	e->sad_count	= GRAB_BITS(buf, 5, 4, 4);
+
+	e->aud_synch_delay = GRAB_BITS(buf, 6, 0, 8) * 2;
+	e->spk_alloc	= GRAB_BITS(buf, 7, 0, 7);
+
+	e->port_id	  = get_unaligned_le64(buf + 8);
+
+	/* not specified, but the spec's tendency is little endian */
+	e->manufacture_id = get_unaligned_le16(buf + 16);
+	e->product_id	  = get_unaligned_le16(buf + 18);
+
+	if (mnl > ELD_MAX_MNL) {
+		codec_info(codec, "HDMI: MNL is reserved value %d\n", mnl);
+		goto out_fail;
+	} else if (ELD_FIXED_BYTES + mnl > size) {
+		codec_info(codec, "HDMI: out of range MNL %d\n", mnl);
+		goto out_fail;
+	} else
+		strlcpy(e->monitor_name, buf + ELD_FIXED_BYTES, mnl + 1);
+
+	for (i = 0; i < e->sad_count; i++) {
+		if (ELD_FIXED_BYTES + mnl + 3 * (i + 1) > size) {
+			codec_info(codec, "HDMI: out of range SAD %d\n", i);
+			goto out_fail;
+		}
+		hdmi_update_short_audio_desc(codec, e->sad + i,
+					buf + ELD_FIXED_BYTES + mnl + 3 * i);
+	}
+
+	/*
+	 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
+	 * in console or for audio devices. Assume the highest speakers
+	 * configuration, to _not_ prohibit multi-channel audio playback.
+	 */
+	if (!e->spk_alloc)
+		e->spk_alloc = 0xffff;
+
+	return 0;
+
+out_fail:
+	return -EINVAL;
+}
+
+int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid)
+{
+	return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE,
+						 AC_DIPSIZE_ELD_BUF);
+}
+
+int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
+		     unsigned char *buf, int *eld_size)
+{
+	int i;
+	int ret = 0;
+	int size;
+
+	/*
+	 * ELD size is initialized to zero in caller function. If no errors and
+	 * ELD is valid, actual eld_size is assigned.
+	 */
+
+	size = snd_hdmi_get_eld_size(codec, nid);
+	if (size == 0) {
+		/* wfg: workaround for ASUS P5E-VM HDMI board */
+		codec_info(codec, "HDMI: ELD buf size is 0, force 128\n");
+		size = 128;
+	}
+	if (size < ELD_FIXED_BYTES || size > ELD_MAX_SIZE) {
+		codec_info(codec, "HDMI: invalid ELD buf size %d\n", size);
+		return -ERANGE;
+	}
+
+	/* set ELD buffer */
+	for (i = 0; i < size; i++) {
+		unsigned int val = hdmi_get_eld_data(codec, nid, i);
+		/*
+		 * Graphics driver might be writing to ELD buffer right now.
+		 * Just abort. The caller will repoll after a while.
+		 */
+		if (!(val & AC_ELDD_ELD_VALID)) {
+			codec_info(codec, "HDMI: invalid ELD data byte %d\n", i);
+			ret = -EINVAL;
+			goto error;
+		}
+		val &= AC_ELDD_ELD_DATA;
+		/*
+		 * The first byte cannot be zero. This can happen on some DVI
+		 * connections. Some Intel chips may also need some 250ms delay
+		 * to return non-zero ELD data, even when the graphics driver
+		 * correctly writes ELD content before setting ELD_valid bit.
+		 */
+		if (!val && !i) {
+			codec_dbg(codec, "HDMI: 0 ELD data\n");
+			ret = -EINVAL;
+			goto error;
+		}
+		buf[i] = val;
+	}
+
+	*eld_size = size;
+error:
+	return ret;
+}
+
+/**
+ * SNDRV_PCM_RATE_* and AC_PAR_PCM values don't match, print correct rates with
+ * hdmi-specific routine.
+ */
+static void hdmi_print_pcm_rates(int pcm, char *buf, int buflen)
+{
+	static unsigned int alsa_rates[] = {
+		5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000, 64000,
+		88200, 96000, 176400, 192000, 384000
+	};
+	int i, j;
+
+	for (i = 0, j = 0; i < ARRAY_SIZE(alsa_rates); i++)
+		if (pcm & (1 << i))
+			j += snprintf(buf + j, buflen - j,  " %d",
+				alsa_rates[i]);
+
+	buf[j] = '\0'; /* necessary when j == 0 */
+}
+
+#define SND_PRINT_RATES_ADVISED_BUFSIZE	80
+
+static void hdmi_show_short_audio_desc(struct hda_codec *codec,
+				       struct cea_sad *a)
+{
+	char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
+	char buf2[8 + SND_PRINT_BITS_ADVISED_BUFSIZE] = ", bits =";
+
+	if (!a->format)
+		return;
+
+	hdmi_print_pcm_rates(a->rates, buf, sizeof(buf));
+
+	if (a->format == AUDIO_CODING_TYPE_LPCM)
+		snd_print_pcm_bits(a->sample_bits, buf2 + 8, sizeof(buf2) - 8);
+	else if (a->max_bitrate)
+		snprintf(buf2, sizeof(buf2),
+				", max bitrate = %d", a->max_bitrate);
+	else
+		buf2[0] = '\0';
+
+	codec_dbg(codec,
+		  "HDMI: supports coding type %s: channels = %d, rates =%s%s\n",
+		  cea_audio_coding_type_names[a->format],
+		  a->channels, buf, buf2);
+}
+
+void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen)
+{
+	int i, j;
+
+	for (i = 0, j = 0; i < ARRAY_SIZE(cea_speaker_allocation_names); i++) {
+		if (spk_alloc & (1 << i))
+			j += snprintf(buf + j, buflen - j,  " %s",
+					cea_speaker_allocation_names[i]);
+	}
+	buf[j] = '\0';	/* necessary when j == 0 */
+}
+
+void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e)
+{
+	int i;
+
+	codec_dbg(codec, "HDMI: detected monitor %s at connection type %s\n",
+			e->monitor_name,
+			eld_connection_type_names[e->conn_type]);
+
+	if (e->spk_alloc) {
+		char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
+		snd_print_channel_allocation(e->spk_alloc, buf, sizeof(buf));
+		codec_dbg(codec, "HDMI: available speakers:%s\n", buf);
+	}
+
+	for (i = 0; i < e->sad_count; i++)
+		hdmi_show_short_audio_desc(codec, e->sad + i);
+}
+
+#ifdef CONFIG_PROC_FS
+
+static void hdmi_print_sad_info(int i, struct cea_sad *a,
+				struct snd_info_buffer *buffer)
+{
+	char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
+
+	snd_iprintf(buffer, "sad%d_coding_type\t[0x%x] %s\n",
+			i, a->format, cea_audio_coding_type_names[a->format]);
+	snd_iprintf(buffer, "sad%d_channels\t\t%d\n", i, a->channels);
+
+	hdmi_print_pcm_rates(a->rates, buf, sizeof(buf));
+	snd_iprintf(buffer, "sad%d_rates\t\t[0x%x]%s\n", i, a->rates, buf);
+
+	if (a->format == AUDIO_CODING_TYPE_LPCM) {
+		snd_print_pcm_bits(a->sample_bits, buf, sizeof(buf));
+		snd_iprintf(buffer, "sad%d_bits\t\t[0x%x]%s\n",
+							i, a->sample_bits, buf);
+	}
+
+	if (a->max_bitrate)
+		snd_iprintf(buffer, "sad%d_max_bitrate\t%d\n",
+							i, a->max_bitrate);
+
+	if (a->profile)
+		snd_iprintf(buffer, "sad%d_profile\t\t%d\n", i, a->profile);
+}
+
+void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
+			     struct snd_info_buffer *buffer)
+{
+	struct parsed_hdmi_eld *e = &eld->info;
+	char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
+	int i;
+	static char *eld_version_names[32] = {
+		"reserved",
+		"reserved",
+		"CEA-861D or below",
+		[3 ... 30] = "reserved",
+		[31] = "partial"
+	};
+	static char *cea_edid_version_names[8] = {
+		"no CEA EDID Timing Extension block present",
+		"CEA-861",
+		"CEA-861-A",
+		"CEA-861-B, C or D",
+		[4 ... 7] = "reserved"
+	};
+
+	snd_iprintf(buffer, "monitor_present\t\t%d\n", eld->monitor_present);
+	snd_iprintf(buffer, "eld_valid\t\t%d\n", eld->eld_valid);
+	if (!eld->eld_valid)
+		return;
+	snd_iprintf(buffer, "monitor_name\t\t%s\n", e->monitor_name);
+	snd_iprintf(buffer, "connection_type\t\t%s\n",
+				eld_connection_type_names[e->conn_type]);
+	snd_iprintf(buffer, "eld_version\t\t[0x%x] %s\n", e->eld_ver,
+					eld_version_names[e->eld_ver]);
+	snd_iprintf(buffer, "edid_version\t\t[0x%x] %s\n", e->cea_edid_ver,
+				cea_edid_version_names[e->cea_edid_ver]);
+	snd_iprintf(buffer, "manufacture_id\t\t0x%x\n", e->manufacture_id);
+	snd_iprintf(buffer, "product_id\t\t0x%x\n", e->product_id);
+	snd_iprintf(buffer, "port_id\t\t\t0x%llx\n", (long long)e->port_id);
+	snd_iprintf(buffer, "support_hdcp\t\t%d\n", e->support_hdcp);
+	snd_iprintf(buffer, "support_ai\t\t%d\n", e->support_ai);
+	snd_iprintf(buffer, "audio_sync_delay\t%d\n", e->aud_synch_delay);
+
+	snd_print_channel_allocation(e->spk_alloc, buf, sizeof(buf));
+	snd_iprintf(buffer, "speakers\t\t[0x%x]%s\n", e->spk_alloc, buf);
+
+	snd_iprintf(buffer, "sad_count\t\t%d\n", e->sad_count);
+
+	for (i = 0; i < e->sad_count; i++)
+		hdmi_print_sad_info(i, e->sad + i, buffer);
+}
+
+void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
+			     struct snd_info_buffer *buffer)
+{
+	struct parsed_hdmi_eld *e = &eld->info;
+	char line[64];
+	char name[64];
+	char *sname;
+	long long val;
+	unsigned int n;
+
+	while (!snd_info_get_line(buffer, line, sizeof(line))) {
+		if (sscanf(line, "%s %llx", name, &val) != 2)
+			continue;
+		/*
+		 * We don't allow modification to these fields:
+		 * 	monitor_name manufacture_id product_id
+		 * 	eld_version edid_version
+		 */
+		if (!strcmp(name, "monitor_present"))
+			eld->monitor_present = val;
+		else if (!strcmp(name, "eld_valid"))
+			eld->eld_valid = val;
+		else if (!strcmp(name, "connection_type"))
+			e->conn_type = val;
+		else if (!strcmp(name, "port_id"))
+			e->port_id = val;
+		else if (!strcmp(name, "support_hdcp"))
+			e->support_hdcp = val;
+		else if (!strcmp(name, "support_ai"))
+			e->support_ai = val;
+		else if (!strcmp(name, "audio_sync_delay"))
+			e->aud_synch_delay = val;
+		else if (!strcmp(name, "speakers"))
+			e->spk_alloc = val;
+		else if (!strcmp(name, "sad_count"))
+			e->sad_count = val;
+		else if (!strncmp(name, "sad", 3)) {
+			sname = name + 4;
+			n = name[3] - '0';
+			if (name[4] >= '0' && name[4] <= '9') {
+				sname++;
+				n = 10 * n + name[4] - '0';
+			}
+			if (n >= ELD_MAX_SAD)
+				continue;
+			if (!strcmp(sname, "_coding_type"))
+				e->sad[n].format = val;
+			else if (!strcmp(sname, "_channels"))
+				e->sad[n].channels = val;
+			else if (!strcmp(sname, "_rates"))
+				e->sad[n].rates = val;
+			else if (!strcmp(sname, "_bits"))
+				e->sad[n].sample_bits = val;
+			else if (!strcmp(sname, "_max_bitrate"))
+				e->sad[n].max_bitrate = val;
+			else if (!strcmp(sname, "_profile"))
+				e->sad[n].profile = val;
+			if (n >= e->sad_count)
+				e->sad_count = n + 1;
+		}
+	}
+}
+#endif /* CONFIG_PROC_FS */
+
+/* update PCM info based on ELD */
+void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
+			      struct hda_pcm_stream *hinfo)
+{
+	u32 rates;
+	u64 formats;
+	unsigned int maxbps;
+	unsigned int channels_max;
+	int i;
+
+	/* assume basic audio support (the basic audio flag is not in ELD;
+	 * however, all audio capable sinks are required to support basic
+	 * audio) */
+	rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
+		SNDRV_PCM_RATE_48000;
+	formats = SNDRV_PCM_FMTBIT_S16_LE;
+	maxbps = 16;
+	channels_max = 2;
+	for (i = 0; i < e->sad_count; i++) {
+		struct cea_sad *a = &e->sad[i];
+		rates |= a->rates;
+		if (a->channels > channels_max)
+			channels_max = a->channels;
+		if (a->format == AUDIO_CODING_TYPE_LPCM) {
+			if (a->sample_bits & AC_SUPPCM_BITS_20) {
+				formats |= SNDRV_PCM_FMTBIT_S32_LE;
+				if (maxbps < 20)
+					maxbps = 20;
+			}
+			if (a->sample_bits & AC_SUPPCM_BITS_24) {
+				formats |= SNDRV_PCM_FMTBIT_S32_LE;
+				if (maxbps < 24)
+					maxbps = 24;
+			}
+		}
+	}
+
+	/* restrict the parameters by the values the codec provides */
+	hinfo->rates &= rates;
+	hinfo->formats &= formats;
+	hinfo->maxbps = min(hinfo->maxbps, maxbps);
+	hinfo->channels_max = min(hinfo->channels_max, channels_max);
+}
+
+
+/* ATI/AMD specific stuff (ELD emulation) */
+
+#define ATI_VERB_SET_AUDIO_DESCRIPTOR	0x776
+#define ATI_VERB_SET_SINK_INFO_INDEX	0x780
+#define ATI_VERB_GET_SPEAKER_ALLOCATION	0xf70
+#define ATI_VERB_GET_AUDIO_DESCRIPTOR	0xf76
+#define ATI_VERB_GET_AUDIO_VIDEO_DELAY	0xf7b
+#define ATI_VERB_GET_SINK_INFO_INDEX	0xf80
+#define ATI_VERB_GET_SINK_INFO_DATA	0xf81
+
+#define ATI_SPKALLOC_SPKALLOC		0x007f
+#define ATI_SPKALLOC_TYPE_HDMI		0x0100
+#define ATI_SPKALLOC_TYPE_DISPLAYPORT	0x0200
+
+/* first three bytes are just standard SAD */
+#define ATI_AUDIODESC_CHANNELS		0x00000007
+#define ATI_AUDIODESC_RATES		0x0000ff00
+#define ATI_AUDIODESC_LPCM_STEREO_RATES	0xff000000
+
+/* in standard HDMI VSDB format */
+#define ATI_DELAY_VIDEO_LATENCY		0x000000ff
+#define ATI_DELAY_AUDIO_LATENCY		0x0000ff00
+
+enum ati_sink_info_idx {
+	ATI_INFO_IDX_MANUFACTURER_ID	= 0,
+	ATI_INFO_IDX_PRODUCT_ID		= 1,
+	ATI_INFO_IDX_SINK_DESC_LEN	= 2,
+	ATI_INFO_IDX_PORT_ID_LOW	= 3,
+	ATI_INFO_IDX_PORT_ID_HIGH	= 4,
+	ATI_INFO_IDX_SINK_DESC_FIRST	= 5,
+	ATI_INFO_IDX_SINK_DESC_LAST	= 22, /* max len 18 bytes */
+};
+
+int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
+			 unsigned char *buf, int *eld_size, bool rev3_or_later)
+{
+	int spkalloc, ati_sad, aud_synch;
+	int sink_desc_len = 0;
+	int pos, i;
+
+	/* ATI/AMD does not have ELD, emulate it */
+
+	spkalloc = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SPEAKER_ALLOCATION, 0);
+
+	if (spkalloc <= 0) {
+		codec_info(codec, "HDMI ATI/AMD: no speaker allocation for ELD\n");
+		return -EINVAL;
+	}
+
+	memset(buf, 0, ELD_FIXED_BYTES + ELD_MAX_MNL + ELD_MAX_SAD * 3);
+
+	/* version */
+	buf[0] = ELD_VER_CEA_861D << 3;
+
+	/* speaker allocation from EDID */
+	buf[7] = spkalloc & ATI_SPKALLOC_SPKALLOC;
+
+	/* is DisplayPort? */
+	if (spkalloc & ATI_SPKALLOC_TYPE_DISPLAYPORT)
+		buf[5] |= 0x04;
+
+	pos = ELD_FIXED_BYTES;
+
+	if (rev3_or_later) {
+		int sink_info;
+
+		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_PORT_ID_LOW);
+		sink_info = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);
+		put_unaligned_le32(sink_info, buf + 8);
+
+		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_PORT_ID_HIGH);
+		sink_info = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);
+		put_unaligned_le32(sink_info, buf + 12);
+
+		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_MANUFACTURER_ID);
+		sink_info = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);
+		put_unaligned_le16(sink_info, buf + 16);
+
+		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_PRODUCT_ID);
+		sink_info = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);
+		put_unaligned_le16(sink_info, buf + 18);
+
+		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_SINK_DESC_LEN);
+		sink_desc_len = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);
+
+		if (sink_desc_len > ELD_MAX_MNL) {
+			codec_info(codec, "HDMI ATI/AMD: Truncating HDMI sink description with length %d\n",
+				   sink_desc_len);
+			sink_desc_len = ELD_MAX_MNL;
+		}
+
+		buf[4] |= sink_desc_len;
+
+		for (i = 0; i < sink_desc_len; i++) {
+			snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_SINK_DESC_FIRST + i);
+			buf[pos++] = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);
+		}
+	}
+
+	for (i = AUDIO_CODING_TYPE_LPCM; i <= AUDIO_CODING_TYPE_WMAPRO; i++) {
+		if (i == AUDIO_CODING_TYPE_SACD || i == AUDIO_CODING_TYPE_DST)
+			continue; /* not handled by ATI/AMD */
+
+		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_AUDIO_DESCRIPTOR, i << 3);
+		ati_sad = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_AUDIO_DESCRIPTOR, 0);
+
+		if (ati_sad <= 0)
+			continue;
+
+		if (ati_sad & ATI_AUDIODESC_RATES) {
+			/* format is supported, copy SAD as-is */
+			buf[pos++] = (ati_sad & 0x0000ff) >> 0;
+			buf[pos++] = (ati_sad & 0x00ff00) >> 8;
+			buf[pos++] = (ati_sad & 0xff0000) >> 16;
+		}
+
+		if (i == AUDIO_CODING_TYPE_LPCM
+		    && (ati_sad & ATI_AUDIODESC_LPCM_STEREO_RATES)
+		    && (ati_sad & ATI_AUDIODESC_LPCM_STEREO_RATES) >> 16 != (ati_sad & ATI_AUDIODESC_RATES)) {
+			/* for PCM there is a separate stereo rate mask */
+			buf[pos++] = ((ati_sad & 0x000000ff) & ~ATI_AUDIODESC_CHANNELS) | 0x1;
+			/* rates from the extra byte */
+			buf[pos++] = (ati_sad & 0xff000000) >> 24;
+			buf[pos++] = (ati_sad & 0x00ff0000) >> 16;
+		}
+	}
+
+	if (pos == ELD_FIXED_BYTES + sink_desc_len) {
+		codec_info(codec, "HDMI ATI/AMD: no audio descriptors for ELD\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * HDMI VSDB latency format:
+	 * separately for both audio and video:
+	 *  0          field not valid or unknown latency
+	 *  [1..251]   msecs = (x-1)*2  (max 500ms with x = 251 = 0xfb)
+	 *  255        audio/video not supported
+	 *
+	 * HDA latency format:
+	 * single value indicating video latency relative to audio:
+	 *  0          unknown or 0ms
+	 *  [1..250]   msecs = x*2  (max 500ms with x = 250 = 0xfa)
+	 *  [251..255] reserved
+	 */
+	aud_synch = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_AUDIO_VIDEO_DELAY, 0);
+	if ((aud_synch & ATI_DELAY_VIDEO_LATENCY) && (aud_synch & ATI_DELAY_AUDIO_LATENCY)) {
+		int video_latency_hdmi = (aud_synch & ATI_DELAY_VIDEO_LATENCY);
+		int audio_latency_hdmi = (aud_synch & ATI_DELAY_AUDIO_LATENCY) >> 8;
+
+		if (video_latency_hdmi <= 0xfb && audio_latency_hdmi <= 0xfb &&
+		    video_latency_hdmi > audio_latency_hdmi)
+			buf[6] = video_latency_hdmi - audio_latency_hdmi;
+		/* else unknown/invalid or 0ms or video ahead of audio, so use zero */
+	}
+
+	/* SAD count */
+	buf[5] |= ((pos - ELD_FIXED_BYTES - sink_desc_len) / 3) << 4;
+
+	/* Baseline ELD block length is 4-byte aligned */
+	pos = round_up(pos, 4);
+
+	/* Baseline ELD length (4-byte header is not counted in) */
+	buf[2] = (pos - 4) / 4;
+
+	*eld_size = pos;
+
+	return 0;
+}

sound/pci/hda/hda_generic.h

@@ -0,0 +1,337 @@
+/*
+ * Generic BIOS auto-parser helper functions for HD-audio
+ *
+ * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SOUND_HDA_GENERIC_H
+#define __SOUND_HDA_GENERIC_H
+
+/* table entry for multi-io paths */
+struct hda_multi_io {
+	hda_nid_t pin;		/* multi-io widget pin NID */
+	hda_nid_t dac;		/* DAC to be connected */
+	unsigned int ctl_in;	/* cached input-pin control value */
+};
+
+/* Widget connection path
+ *
+ * For output, stored in the order of DAC -> ... -> pin,
+ * for input, pin -> ... -> ADC.
+ *
+ * idx[i] contains the source index number to select on of the widget path[i];
+ * e.g. idx[1] is the index of the DAC (path[0]) selected by path[1] widget
+ * multi[] indicates whether it's a selector widget with multi-connectors
+ * (i.e. the connection selection is mandatory)
+ * vol_ctl and mute_ctl contains the NIDs for the assigned mixers
+ */
+
+#define MAX_NID_PATH_DEPTH	10
+
+enum {
+	NID_PATH_VOL_CTL,
+	NID_PATH_MUTE_CTL,
+	NID_PATH_BOOST_CTL,
+	NID_PATH_NUM_CTLS
+};
+
+struct nid_path {
+	int depth;
+	hda_nid_t path[MAX_NID_PATH_DEPTH];
+	unsigned char idx[MAX_NID_PATH_DEPTH];
+	unsigned char multi[MAX_NID_PATH_DEPTH];
+	unsigned int ctls[NID_PATH_NUM_CTLS]; /* NID_PATH_XXX_CTL */
+	bool active;
+};
+
+/* mic/line-in auto switching entry */
+
+#define MAX_AUTO_MIC_PINS	3
+
+struct automic_entry {
+	hda_nid_t pin;		/* pin */
+	int idx;		/* imux index, -1 = invalid */
+	unsigned int attr;	/* pin attribute (INPUT_PIN_ATTR_*) */
+};
+
+/* active stream id */
+enum { STREAM_MULTI_OUT, STREAM_INDEP_HP };
+
+/* PCM hook action */
+enum {
+	HDA_GEN_PCM_ACT_OPEN,
+	HDA_GEN_PCM_ACT_PREPARE,
+	HDA_GEN_PCM_ACT_CLEANUP,
+	HDA_GEN_PCM_ACT_CLOSE,
+};
+
+/* DAC assignment badness table */
+struct badness_table {
+	int no_primary_dac;	/* no primary DAC */
+	int no_dac;		/* no secondary DACs */
+	int shared_primary;	/* primary DAC is shared with main output */
+	int shared_surr;	/* secondary DAC shared with main or primary */
+	int shared_clfe;	/* third DAC shared with main or primary */
+	int shared_surr_main;	/* secondary DAC sahred with main/DAC0 */
+};
+
+extern const struct badness_table hda_main_out_badness;
+extern const struct badness_table hda_extra_out_badness;
+
+struct hda_gen_spec {
+	char stream_name_analog[32];	/* analog PCM stream */
+	const struct hda_pcm_stream *stream_analog_playback;
+	const struct hda_pcm_stream *stream_analog_capture;
+
+	char stream_name_alt_analog[32]; /* alternative analog PCM stream */
+	const struct hda_pcm_stream *stream_analog_alt_playback;
+	const struct hda_pcm_stream *stream_analog_alt_capture;
+
+	char stream_name_digital[32];	/* digital PCM stream */
+	const struct hda_pcm_stream *stream_digital_playback;
+	const struct hda_pcm_stream *stream_digital_capture;
+
+	/* PCM */
+	unsigned int active_streams;
+	struct mutex pcm_mutex;
+
+	/* playback */
+	struct hda_multi_out multiout;	/* playback set-up
+					 * max_channels, dacs must be set
+					 * dig_out_nid and hp_nid are optional
+					 */
+	hda_nid_t alt_dac_nid;
+	hda_nid_t slave_dig_outs[3];	/* optional - for auto-parsing */
+	int dig_out_type;
+
+	/* capture */
+	unsigned int num_adc_nids;
+	hda_nid_t adc_nids[AUTO_CFG_MAX_INS];
+	hda_nid_t dig_in_nid;		/* digital-in NID; optional */
+	hda_nid_t mixer_nid;		/* analog-mixer NID */
+	hda_nid_t mixer_merge_nid;	/* aamix merge-point NID (optional) */
+	const char *input_labels[HDA_MAX_NUM_INPUTS];
+	int input_label_idxs[HDA_MAX_NUM_INPUTS];
+
+	/* capture setup for dynamic dual-adc switch */
+	hda_nid_t cur_adc;
+	unsigned int cur_adc_stream_tag;
+	unsigned int cur_adc_format;
+
+	/* capture source */
+	struct hda_input_mux input_mux;
+	unsigned int cur_mux[3];
+
+	/* channel model */
+	/* min_channel_count contains the minimum channel count for primary
+	 * outputs.  When multi_ios is set, the channels can be configured
+	 * between min_channel_count and (min_channel_count + multi_ios * 2).
+	 *
+	 * ext_channel_count contains the current channel count of the primary
+	 * out.  This varies in the range above.
+	 *
+	 * Meanwhile, const_channel_count is the channel count for all outputs
+	 * including headphone and speakers.  It's a constant value, and the
+	 * PCM is set up as max(ext_channel_count, const_channel_count).
+	 */
+	int min_channel_count;		/* min. channel count for primary out */
+	int ext_channel_count;		/* current channel count for primary */
+	int const_channel_count;	/* channel count for all */
+
+	/* PCM information */
+	struct hda_pcm pcm_rec[3];	/* used in build_pcms() */
+
+	/* dynamic controls, init_verbs and input_mux */
+	struct auto_pin_cfg autocfg;
+	struct snd_array kctls;
+	hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];
+	hda_nid_t imux_pins[HDA_MAX_NUM_INPUTS];
+	unsigned int dyn_adc_idx[HDA_MAX_NUM_INPUTS];
+	/* shared hp/mic */
+	hda_nid_t shared_mic_vref_pin;
+	hda_nid_t hp_mic_pin;
+	int hp_mic_mux_idx;
+
+	/* DAC/ADC lists */
+	int num_all_dacs;
+	hda_nid_t all_dacs[16];
+	int num_all_adcs;
+	hda_nid_t all_adcs[AUTO_CFG_MAX_INS];
+
+	/* path list */
+	struct snd_array paths;
+
+	/* path indices */
+	int out_paths[AUTO_CFG_MAX_OUTS];
+	int hp_paths[AUTO_CFG_MAX_OUTS];
+	int speaker_paths[AUTO_CFG_MAX_OUTS];
+	int aamix_out_paths[3];
+	int digout_paths[AUTO_CFG_MAX_OUTS];
+	int input_paths[HDA_MAX_NUM_INPUTS][AUTO_CFG_MAX_INS];
+	int loopback_paths[HDA_MAX_NUM_INPUTS];
+	int loopback_merge_path;
+	int digin_path;
+
+	/* auto-mic stuff */
+	int am_num_entries;
+	struct automic_entry am_entry[MAX_AUTO_MIC_PINS];
+
+	/* for pin sensing */
+	/* current status; set in hda_geneic.c */
+	unsigned int hp_jack_present:1;
+	unsigned int line_jack_present:1;
+	unsigned int speaker_muted:1; /* current status of speaker mute */
+	unsigned int line_out_muted:1; /* current status of LO mute */
+
+	/* internal states of automute / autoswitch behavior */
+	unsigned int auto_mic:1;
+	unsigned int automute_speaker:1; /* automute speaker outputs */
+	unsigned int automute_lo:1; /* automute LO outputs */
+
+	/* capabilities detected by parser */
+	unsigned int detect_hp:1;	/* Headphone detection enabled */
+	unsigned int detect_lo:1;	/* Line-out detection enabled */
+	unsigned int automute_speaker_possible:1; /* there are speakers and either LO or HP */
+	unsigned int automute_lo_possible:1;	  /* there are line outs and HP */
+
+	/* additional parameters set by codec drivers */
+	unsigned int master_mute:1;	/* master mute over all */
+	unsigned int keep_vref_in_automute:1; /* Don't clear VREF in automute */
+	unsigned int line_in_auto_switch:1; /* allow line-in auto switch */
+	unsigned int auto_mute_via_amp:1; /* auto-mute via amp instead of pinctl */
+
+	/* parser behavior flags; set before snd_hda_gen_parse_auto_config() */
+	unsigned int suppress_auto_mute:1; /* suppress input jack auto mute */
+	unsigned int suppress_auto_mic:1; /* suppress input jack auto switch */
+
+	/* other parse behavior flags */
+	unsigned int need_dac_fix:1; /* need to limit DACs for multi channels */
+	unsigned int hp_mic:1; /* Allow HP as a mic-in */
+	unsigned int suppress_hp_mic_detect:1; /* Don't detect HP/mic */
+	unsigned int no_primary_hp:1; /* Don't prefer HP pins to speaker pins */
+	unsigned int no_multi_io:1; /* Don't try multi I/O config */
+	unsigned int multi_cap_vol:1; /* allow multiple capture xxx volumes */
+	unsigned int inv_dmic_split:1; /* inverted dmic w/a for conexant */
+	unsigned int own_eapd_ctl:1; /* set EAPD by own function */
+	unsigned int keep_eapd_on:1; /* don't turn off EAPD automatically */
+	unsigned int vmaster_mute_enum:1; /* add vmaster mute mode enum */
+	unsigned int indep_hp:1; /* independent HP supported */
+	unsigned int prefer_hp_amp:1; /* enable HP amp for speaker if any */
+	unsigned int add_stereo_mix_input:1; /* add aamix as a capture src */
+	unsigned int add_jack_modes:1; /* add i/o jack mode enum ctls */
+	unsigned int power_down_unused:1; /* power down unused widgets */
+	unsigned int dac_min_mute:1; /* minimal = mute for DACs */
+
+	/* other internal flags */
+	unsigned int no_analog:1; /* digital I/O only */
+	unsigned int dyn_adc_switch:1; /* switch ADCs (for ALC275) */
+	unsigned int indep_hp_enabled:1; /* independent HP enabled */
+	unsigned int have_aamix_ctl:1;
+	unsigned int hp_mic_jack_modes:1;
+
+	/* additional mute flags (only effective with auto_mute_via_amp=1) */
+	u64 mute_bits;
+
+	/* bitmask for skipping volume controls */
+	u64 out_vol_mask;
+
+	/* badness tables for output path evaluations */
+	const struct badness_table *main_out_badness;
+	const struct badness_table *extra_out_badness;
+
+	/* preferred pin/DAC pairs; an array of paired NIDs */
+	const hda_nid_t *preferred_dacs;
+
+	/* loopback mixing mode */
+	bool aamix_mode;
+
+	/* digital beep */
+	hda_nid_t beep_nid;
+
+	/* for virtual master */
+	hda_nid_t vmaster_nid;
+	unsigned int vmaster_tlv[4];
+	struct hda_vmaster_mute_hook vmaster_mute;
+
+	struct hda_loopback_check loopback;
+	struct snd_array loopback_list;
+
+	/* multi-io */
+	int multi_ios;
+	struct hda_multi_io multi_io[4];
+
+	/* hooks */
+	void (*init_hook)(struct hda_codec *codec);
+	void (*automute_hook)(struct hda_codec *codec);
+	void (*cap_sync_hook)(struct hda_codec *codec,
+			      struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_value *ucontrol);
+
+	/* PCM hooks */
+	void (*pcm_playback_hook)(struct hda_pcm_stream *hinfo,
+				  struct hda_codec *codec,
+				  struct snd_pcm_substream *substream,
+				  int action);
+	void (*pcm_capture_hook)(struct hda_pcm_stream *hinfo,
+				 struct hda_codec *codec,
+				 struct snd_pcm_substream *substream,
+				 int action);
+
+	/* automute / autoswitch hooks */
+	void (*hp_automute_hook)(struct hda_codec *codec,
+				 struct hda_jack_callback *cb);
+	void (*line_automute_hook)(struct hda_codec *codec,
+				   struct hda_jack_callback *cb);
+	void (*mic_autoswitch_hook)(struct hda_codec *codec,
+				    struct hda_jack_callback *cb);
+};
+
+int snd_hda_gen_spec_init(struct hda_gen_spec *spec);
+
+int snd_hda_gen_init(struct hda_codec *codec);
+void snd_hda_gen_free(struct hda_codec *codec);
+
+struct nid_path *snd_hda_get_nid_path(struct hda_codec *codec,
+				      hda_nid_t from_nid, hda_nid_t to_nid);
+int snd_hda_get_path_idx(struct hda_codec *codec, struct nid_path *path);
+struct nid_path *snd_hda_get_path_from_idx(struct hda_codec *codec, int idx);
+bool snd_hda_parse_nid_path(struct hda_codec *codec, hda_nid_t from_nid,
+			    hda_nid_t to_nid, int anchor_nid,
+			    struct nid_path *path);
+struct nid_path *
+snd_hda_add_new_path(struct hda_codec *codec, hda_nid_t from_nid,
+		     hda_nid_t to_nid, int anchor_nid);
+void snd_hda_activate_path(struct hda_codec *codec, struct nid_path *path,
+			   bool enable, bool add_aamix);
+
+struct snd_kcontrol_new *
+snd_hda_gen_add_kctl(struct hda_gen_spec *spec, const char *name,
+		     const struct snd_kcontrol_new *temp);
+
+int snd_hda_gen_parse_auto_config(struct hda_codec *codec,
+				  struct auto_pin_cfg *cfg);
+int snd_hda_gen_build_controls(struct hda_codec *codec);
+int snd_hda_gen_build_pcms(struct hda_codec *codec);
+
+/* standard jack event callbacks */
+void snd_hda_gen_hp_automute(struct hda_codec *codec,
+			     struct hda_jack_callback *jack);
+void snd_hda_gen_line_automute(struct hda_codec *codec,
+			       struct hda_jack_callback *jack);
+void snd_hda_gen_mic_autoswitch(struct hda_codec *codec,
+				struct hda_jack_callback *jack);
+void snd_hda_gen_update_outputs(struct hda_codec *codec);
+
+#ifdef CONFIG_PM
+int snd_hda_gen_check_power_status(struct hda_codec *codec, hda_nid_t nid);
+#endif
+unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec,
+					   hda_nid_t nid,
+					   unsigned int power_state);
+
+#endif /* __SOUND_HDA_GENERIC_H */

sound/pci/hda/hda_hwdep.c

@@ -0,0 +1,124 @@
+/*
+ * HWDEP Interface for HD-audio codec
+ *
+ * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de>
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/compat.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+#include <sound/hda_hwdep.h>
+#include <sound/minors.h>
+
+/*
+ * write/read an out-of-bound verb
+ */
+static int verb_write_ioctl(struct hda_codec *codec,
+			    struct hda_verb_ioctl __user *arg)
+{
+	u32 verb, res;
+
+	if (get_user(verb, &arg->verb))
+		return -EFAULT;
+	res = snd_hda_codec_read(codec, verb >> 24, 0,
+				 (verb >> 8) & 0xffff, verb & 0xff);
+	if (put_user(res, &arg->res))
+		return -EFAULT;
+	return 0;
+}
+
+static int get_wcap_ioctl(struct hda_codec *codec,
+			  struct hda_verb_ioctl __user *arg)
+{
+	u32 verb, res;
+	
+	if (get_user(verb, &arg->verb))
+		return -EFAULT;
+	res = get_wcaps(codec, verb >> 24);
+	if (put_user(res, &arg->res))
+		return -EFAULT;
+	return 0;
+}
+
+
+/*
+ */
+static int hda_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
+			   unsigned int cmd, unsigned long arg)
+{
+	struct hda_codec *codec = hw->private_data;
+	void __user *argp = (void __user *)arg;
+
+	switch (cmd) {
+	case HDA_IOCTL_PVERSION:
+		return put_user(HDA_HWDEP_VERSION, (int __user *)argp);
+	case HDA_IOCTL_VERB_WRITE:
+		return verb_write_ioctl(codec, argp);
+	case HDA_IOCTL_GET_WCAP:
+		return get_wcap_ioctl(codec, argp);
+	}
+	return -ENOIOCTLCMD;
+}
+
+#ifdef CONFIG_COMPAT
+static int hda_hwdep_ioctl_compat(struct snd_hwdep *hw, struct file *file,
+				  unsigned int cmd, unsigned long arg)
+{
+	return hda_hwdep_ioctl(hw, file, cmd, (unsigned long)compat_ptr(arg));
+}
+#endif
+
+static int hda_hwdep_open(struct snd_hwdep *hw, struct file *file)
+{
+#ifndef CONFIG_SND_DEBUG_VERBOSE
+	if (!capable(CAP_SYS_RAWIO))
+		return -EACCES;
+#endif
+	return 0;
+}
+
+int snd_hda_create_hwdep(struct hda_codec *codec)
+{
+	char hwname[16];
+	struct snd_hwdep *hwdep;
+	int err;
+
+	sprintf(hwname, "HDA Codec %d", codec->addr);
+	err = snd_hwdep_new(codec->bus->card, hwname, codec->addr, &hwdep);
+	if (err < 0)
+		return err;
+	codec->hwdep = hwdep;
+	sprintf(hwdep->name, "HDA Codec %d", codec->addr);
+	hwdep->iface = SNDRV_HWDEP_IFACE_HDA;
+	hwdep->private_data = codec;
+	hwdep->exclusive = 1;
+	hwdep->groups = snd_hda_dev_attr_groups;
+
+	hwdep->ops.open = hda_hwdep_open;
+	hwdep->ops.ioctl = hda_hwdep_ioctl;
+#ifdef CONFIG_COMPAT
+	hwdep->ops.ioctl_compat = hda_hwdep_ioctl_compat;
+#endif
+
+	/* link to codec */
+	hwdep->dev = &codec->dev;
+
+	return 0;
+}

sound/pci/hda/hda_i915.c

@@ -0,0 +1,130 @@
+/*
+ *  hda_i915.c - routines for Haswell HDA controller power well support
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software Foundation,
+ *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <drm/i915_powerwell.h>
+#include "hda_priv.h"
+#include "hda_i915.h"
+
+/* Intel HSW/BDW display HDA controller Extended Mode registers.
+ * EM4 (M value) and EM5 (N Value) are used to convert CDClk (Core Display
+ * Clock) to 24MHz BCLK: BCLK = CDCLK * M / N
+ * The values will be lost when the display power well is disabled.
+ */
+#define AZX_REG_EM4			0x100c
+#define AZX_REG_EM5			0x1010
+
+static int (*get_power)(void);
+static int (*put_power)(void);
+static int (*get_cdclk)(void);
+
+int hda_display_power(bool enable)
+{
+	if (!get_power || !put_power)
+		return -ENODEV;
+
+	pr_debug("HDA display power %s \n",
+			enable ? "Enable" : "Disable");
+	if (enable)
+		return get_power();
+	else
+		return put_power();
+}
+
+void haswell_set_bclk(struct azx *chip)
+{
+	int cdclk_freq;
+	unsigned int bclk_m, bclk_n;
+
+	if (!get_cdclk)
+		return;
+
+	cdclk_freq = get_cdclk();
+	switch (cdclk_freq) {
+	case 337500:
+		bclk_m = 16;
+		bclk_n = 225;
+		break;
+
+	case 450000:
+	default: /* default CDCLK 450MHz */
+		bclk_m = 4;
+		bclk_n = 75;
+		break;
+
+	case 540000:
+		bclk_m = 4;
+		bclk_n = 90;
+		break;
+
+	case 675000:
+		bclk_m = 8;
+		bclk_n = 225;
+		break;
+	}
+
+	azx_writew(chip, EM4, bclk_m);
+	azx_writew(chip, EM5, bclk_n);
+}
+
+
+int hda_i915_init(void)
+{
+	int err = 0;
+
+	get_power = symbol_request(i915_request_power_well);
+	if (!get_power) {
+		pr_warn("hda-i915: get_power symbol get fail\n");
+		return -ENODEV;
+	}
+
+	put_power = symbol_request(i915_release_power_well);
+	if (!put_power) {
+		symbol_put(i915_request_power_well);
+		get_power = NULL;
+		return -ENODEV;
+	}
+
+	get_cdclk = symbol_request(i915_get_cdclk_freq);
+	if (!get_cdclk)	/* may have abnormal BCLK and audio playback rate */
+		pr_warn("hda-i915: get_cdclk symbol get fail\n");
+
+	pr_debug("HDA driver get symbol successfully from i915 module\n");
+
+	return err;
+}
+
+int hda_i915_exit(void)
+{
+	if (get_power) {
+		symbol_put(i915_request_power_well);
+		get_power = NULL;
+	}
+	if (put_power) {
+		symbol_put(i915_release_power_well);
+		put_power = NULL;
+	}
+	if (get_cdclk) {
+		symbol_put(i915_get_cdclk_freq);
+		get_cdclk = NULL;
+	}
+
+	return 0;
+}

sound/pci/hda/hda_i915.h

@@ -0,0 +1,37 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ *  more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program; if not, write to the Free Software Foundation, Inc., 59
+ *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+#ifndef __SOUND_HDA_I915_H
+#define __SOUND_HDA_I915_H
+
+#ifdef CONFIG_SND_HDA_I915
+int hda_display_power(bool enable);
+void haswell_set_bclk(struct azx *chip);
+int hda_i915_init(void);
+int hda_i915_exit(void);
+#else
+static inline int hda_display_power(bool enable) { return 0; }
+static inline void haswell_set_bclk(struct azx *chip) { return; }
+static inline int hda_i915_init(void)
+{
+	return -ENODEV;
+}
+static inline int hda_i915_exit(void)
+{
+	return 0;
+}
+#endif
+
+#endif

sound/pci/hda/hda_intel_trace.h

@@ -0,0 +1,62 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hda_intel
+#define TRACE_INCLUDE_FILE hda_intel_trace
+
+#if !defined(_TRACE_HDA_INTEL_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HDA_INTEL_H
+
+#include <linux/tracepoint.h>
+
+struct azx;
+struct azx_dev;
+
+TRACE_EVENT(azx_pcm_trigger,
+
+	TP_PROTO(struct azx *chip, struct azx_dev *dev, int cmd),
+
+	TP_ARGS(chip, dev, cmd),
+
+	TP_STRUCT__entry(
+		__field( int, card )
+		__field( int, idx )
+		__field( int, cmd )
+	),
+
+	TP_fast_assign(
+		__entry->card = (chip)->card->number;
+		__entry->idx = (dev)->index;
+		__entry->cmd = cmd;
+	),
+
+	TP_printk("[%d:%d] cmd=%d", __entry->card, __entry->idx, __entry->cmd)
+);
+
+TRACE_EVENT(azx_get_position,
+
+    TP_PROTO(struct azx *chip, struct azx_dev *dev, unsigned int pos, unsigned int delay),
+
+	    TP_ARGS(chip, dev, pos, delay),
+
+	TP_STRUCT__entry(
+		__field( int, card )
+		__field( int, idx )
+		__field( unsigned int, pos )
+		__field( unsigned int, delay )
+	),
+
+	TP_fast_assign(
+		__entry->card = (chip)->card->number;
+		__entry->idx = (dev)->index;
+		__entry->pos = pos;
+		__entry->delay = delay;
+	),
+
+	TP_printk("[%d:%d] pos=%u, delay=%u", __entry->card, __entry->idx, __entry->pos, __entry->delay)
+);
+
+#endif /* _TRACE_HDA_INTEL_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#include <trace/define_trace.h>

sound/pci/hda/hda_jack.c

@@ -0,0 +1,569 @@
+/*
+ * Jack-detection handling for HD-audio
+ *
+ * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/export.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/jack.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+#include "hda_auto_parser.h"
+#include "hda_jack.h"
+
+bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
+{
+	if (codec->no_jack_detect)
+		return false;
+	if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT))
+		return false;
+	if (get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
+	     AC_DEFCFG_MISC_NO_PRESENCE)
+		return false;
+	if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP) &&
+	    !codec->jackpoll_interval)
+		return false;
+	return true;
+}
+EXPORT_SYMBOL_GPL(is_jack_detectable);
+
+/* execute pin sense measurement */
+static u32 read_pin_sense(struct hda_codec *codec, hda_nid_t nid)
+{
+	u32 pincap;
+	u32 val;
+
+	if (!codec->no_trigger_sense) {
+		pincap = snd_hda_query_pin_caps(codec, nid);
+		if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
+			snd_hda_codec_read(codec, nid, 0,
+					AC_VERB_SET_PIN_SENSE, 0);
+	}
+	val = snd_hda_codec_read(codec, nid, 0,
+				  AC_VERB_GET_PIN_SENSE, 0);
+	if (codec->inv_jack_detect)
+		val ^= AC_PINSENSE_PRESENCE;
+	return val;
+}
+
+/**
+ * snd_hda_jack_tbl_get - query the jack-table entry for the given NID
+ */
+struct hda_jack_tbl *
+snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct hda_jack_tbl *jack = codec->jacktbl.list;
+	int i;
+
+	if (!nid || !jack)
+		return NULL;
+	for (i = 0; i < codec->jacktbl.used; i++, jack++)
+		if (jack->nid == nid)
+			return jack;
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_tbl_get);
+
+/**
+ * snd_hda_jack_tbl_get_from_tag - query the jack-table entry for the given tag
+ */
+struct hda_jack_tbl *
+snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag)
+{
+	struct hda_jack_tbl *jack = codec->jacktbl.list;
+	int i;
+
+	if (!tag || !jack)
+		return NULL;
+	for (i = 0; i < codec->jacktbl.used; i++, jack++)
+		if (jack->tag == tag)
+			return jack;
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_tbl_get_from_tag);
+
+/**
+ * snd_hda_jack_tbl_new - create a jack-table entry for the given NID
+ */
+static struct hda_jack_tbl *
+snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, nid);
+	if (jack)
+		return jack;
+	jack = snd_array_new(&codec->jacktbl);
+	if (!jack)
+		return NULL;
+	jack->nid = nid;
+	jack->jack_dirty = 1;
+	jack->tag = codec->jacktbl.used;
+	return jack;
+}
+
+void snd_hda_jack_tbl_clear(struct hda_codec *codec)
+{
+	struct hda_jack_tbl *jack = codec->jacktbl.list;
+	int i;
+
+	for (i = 0; i < codec->jacktbl.used; i++, jack++) {
+		struct hda_jack_callback *cb, *next;
+#ifdef CONFIG_SND_HDA_INPUT_JACK
+		/* free jack instances manually when clearing/reconfiguring */
+		if (!codec->bus->shutdown && jack->jack)
+			snd_device_free(codec->bus->card, jack->jack);
+#endif
+		for (cb = jack->callback; cb; cb = next) {
+			next = cb->next;
+			kfree(cb);
+		}
+	}
+	snd_array_free(&codec->jacktbl);
+}
+
+#define get_jack_plug_state(sense) !!(sense & AC_PINSENSE_PRESENCE)
+
+/* update the cached value and notification flag if needed */
+static void jack_detect_update(struct hda_codec *codec,
+			       struct hda_jack_tbl *jack)
+{
+	if (!jack->jack_dirty)
+		return;
+
+	if (jack->phantom_jack)
+		jack->pin_sense = AC_PINSENSE_PRESENCE;
+	else
+		jack->pin_sense = read_pin_sense(codec, jack->nid);
+
+	/* A gating jack indicates the jack is invalid if gating is unplugged */
+	if (jack->gating_jack && !snd_hda_jack_detect(codec, jack->gating_jack))
+		jack->pin_sense &= ~AC_PINSENSE_PRESENCE;
+
+	jack->jack_dirty = 0;
+
+	/* If a jack is gated by this one update it. */
+	if (jack->gated_jack) {
+		struct hda_jack_tbl *gated =
+			snd_hda_jack_tbl_get(codec, jack->gated_jack);
+		if (gated) {
+			gated->jack_dirty = 1;
+			jack_detect_update(codec, gated);
+		}
+	}
+}
+
+/**
+ * snd_hda_set_dirty_all - Mark all the cached as dirty
+ *
+ * This function sets the dirty flag to all entries of jack table.
+ * It's called from the resume path in hda_codec.c.
+ */
+void snd_hda_jack_set_dirty_all(struct hda_codec *codec)
+{
+	struct hda_jack_tbl *jack = codec->jacktbl.list;
+	int i;
+
+	for (i = 0; i < codec->jacktbl.used; i++, jack++)
+		if (jack->nid)
+			jack->jack_dirty = 1;
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_set_dirty_all);
+
+/**
+ * snd_hda_pin_sense - execute pin sense measurement
+ * @codec: the CODEC to sense
+ * @nid: the pin NID to sense
+ *
+ * Execute necessary pin sense measurement and return its Presence Detect,
+ * Impedance, ELD Valid etc. status bits.
+ */
+u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, nid);
+	if (jack) {
+		jack_detect_update(codec, jack);
+		return jack->pin_sense;
+	}
+	return read_pin_sense(codec, nid);
+}
+EXPORT_SYMBOL_GPL(snd_hda_pin_sense);
+
+/**
+ * snd_hda_jack_detect_state - query pin Presence Detect status
+ * @codec: the CODEC to sense
+ * @nid: the pin NID to sense
+ *
+ * Query and return the pin's Presence Detect status, as either
+ * HDA_JACK_NOT_PRESENT, HDA_JACK_PRESENT or HDA_JACK_PHANTOM.
+ */
+int snd_hda_jack_detect_state(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, nid);
+	if (jack && jack->phantom_jack)
+		return HDA_JACK_PHANTOM;
+	else if (snd_hda_pin_sense(codec, nid) & AC_PINSENSE_PRESENCE)
+		return HDA_JACK_PRESENT;
+	else
+		return HDA_JACK_NOT_PRESENT;
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_detect_state);
+
+/**
+ * snd_hda_jack_detect_enable - enable the jack-detection
+ *
+ * In the case of error, the return value will be a pointer embedded with
+ * errno.  Check and handle the return value appropriately with standard
+ * macros such as @IS_ERR() and @PTR_ERR().
+ */
+struct hda_jack_callback *
+snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
+				    hda_jack_callback_fn func)
+{
+	struct hda_jack_tbl *jack;
+	struct hda_jack_callback *callback = NULL;
+	int err;
+
+	jack = snd_hda_jack_tbl_new(codec, nid);
+	if (!jack)
+		return ERR_PTR(-ENOMEM);
+	if (func) {
+		callback = kzalloc(sizeof(*callback), GFP_KERNEL);
+		if (!callback)
+			return ERR_PTR(-ENOMEM);
+		callback->func = func;
+		callback->tbl = jack;
+		callback->next = jack->callback;
+		jack->callback = callback;
+	}
+
+	if (jack->jack_detect)
+		return callback; /* already registered */
+	jack->jack_detect = 1;
+	if (codec->jackpoll_interval > 0)
+		return callback; /* No unsol if we're polling instead */
+	err = snd_hda_codec_write_cache(codec, nid, 0,
+					 AC_VERB_SET_UNSOLICITED_ENABLE,
+					 AC_USRSP_EN | jack->tag);
+	if (err < 0)
+		return ERR_PTR(err);
+	return callback;
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_detect_enable_callback);
+
+int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid)
+{
+	return PTR_ERR_OR_ZERO(snd_hda_jack_detect_enable_callback(codec, nid, NULL));
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_detect_enable);
+
+/**
+ * snd_hda_jack_set_gating_jack - Set gating jack.
+ *
+ * Indicates the gated jack is only valid when the gating jack is plugged.
+ */
+int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid,
+				 hda_nid_t gating_nid)
+{
+	struct hda_jack_tbl *gated = snd_hda_jack_tbl_new(codec, gated_nid);
+	struct hda_jack_tbl *gating = snd_hda_jack_tbl_new(codec, gating_nid);
+
+	if (!gated || !gating)
+		return -EINVAL;
+
+	gated->gating_jack = gating_nid;
+	gating->gated_jack = gated_nid;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_set_gating_jack);
+
+/**
+ * snd_hda_jack_report_sync - sync the states of all jacks and report if changed
+ */
+void snd_hda_jack_report_sync(struct hda_codec *codec)
+{
+	struct hda_jack_tbl *jack;
+	int i, state;
+
+	/* update all jacks at first */
+	jack = codec->jacktbl.list;
+	for (i = 0; i < codec->jacktbl.used; i++, jack++)
+		if (jack->nid)
+			jack_detect_update(codec, jack);
+
+	/* report the updated jacks; it's done after updating all jacks
+	 * to make sure that all gating jacks properly have been set
+	 */
+	jack = codec->jacktbl.list;
+	for (i = 0; i < codec->jacktbl.used; i++, jack++)
+		if (jack->nid) {
+			if (!jack->kctl || jack->block_report)
+				continue;
+			state = get_jack_plug_state(jack->pin_sense);
+			snd_kctl_jack_report(codec->bus->card, jack->kctl, state);
+#ifdef CONFIG_SND_HDA_INPUT_JACK
+			if (jack->jack)
+				snd_jack_report(jack->jack,
+						state ? jack->type : 0);
+#endif
+		}
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_report_sync);
+
+#ifdef CONFIG_SND_HDA_INPUT_JACK
+/* guess the jack type from the pin-config */
+static int get_input_jack_type(struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
+	switch (get_defcfg_device(def_conf)) {
+	case AC_JACK_LINE_OUT:
+	case AC_JACK_SPEAKER:
+		return SND_JACK_LINEOUT;
+	case AC_JACK_HP_OUT:
+		return SND_JACK_HEADPHONE;
+	case AC_JACK_SPDIF_OUT:
+	case AC_JACK_DIG_OTHER_OUT:
+		return SND_JACK_AVOUT;
+	case AC_JACK_MIC_IN:
+		return SND_JACK_MICROPHONE;
+	default:
+		return SND_JACK_LINEIN;
+	}
+}
+
+static void hda_free_jack_priv(struct snd_jack *jack)
+{
+	struct hda_jack_tbl *jacks = jack->private_data;
+	jacks->nid = 0;
+	jacks->jack = NULL;
+}
+#endif
+
+/**
+ * snd_hda_jack_add_kctl - Add a kctl for the given pin
+ *
+ * This assigns a jack-detection kctl to the given pin.  The kcontrol
+ * will have the given name and index.
+ */
+static int __snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
+			  const char *name, int idx, bool phantom_jack)
+{
+	struct hda_jack_tbl *jack;
+	struct snd_kcontrol *kctl;
+	int err, state;
+
+	jack = snd_hda_jack_tbl_new(codec, nid);
+	if (!jack)
+		return 0;
+	if (jack->kctl)
+		return 0; /* already created */
+	kctl = snd_kctl_jack_new(name, idx, codec);
+	if (!kctl)
+		return -ENOMEM;
+	err = snd_hda_ctl_add(codec, nid, kctl);
+	if (err < 0)
+		return err;
+	jack->kctl = kctl;
+	jack->phantom_jack = !!phantom_jack;
+
+	state = snd_hda_jack_detect(codec, nid);
+	snd_kctl_jack_report(codec->bus->card, kctl, state);
+#ifdef CONFIG_SND_HDA_INPUT_JACK
+	if (!phantom_jack) {
+		jack->type = get_input_jack_type(codec, nid);
+		err = snd_jack_new(codec->bus->card, name, jack->type,
+				   &jack->jack);
+		if (err < 0)
+			return err;
+		jack->jack->private_data = jack;
+		jack->jack->private_free = hda_free_jack_priv;
+		snd_jack_report(jack->jack, state ? jack->type : 0);
+	}
+#endif
+	return 0;
+}
+
+int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
+			  const char *name, int idx)
+{
+	return __snd_hda_jack_add_kctl(codec, nid, name, idx, false);
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_add_kctl);
+
+/* get the unique index number for the given kctl name */
+static int get_unique_index(struct hda_codec *codec, const char *name, int idx)
+{
+	struct hda_jack_tbl *jack;
+	int i, len = strlen(name);
+ again:
+	jack = codec->jacktbl.list;
+	for (i = 0; i < codec->jacktbl.used; i++, jack++) {
+		/* jack->kctl.id contains "XXX Jack" name string with index */
+		if (jack->kctl &&
+		    !strncmp(name, jack->kctl->id.name, len) &&
+		    !strcmp(" Jack", jack->kctl->id.name + len) &&
+		    jack->kctl->id.index == idx) {
+			idx++;
+			goto again;
+		}
+	}
+	return idx;
+}
+
+static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid,
+			 const struct auto_pin_cfg *cfg,
+			 const char *base_name)
+{
+	unsigned int def_conf, conn;
+	char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+	int idx, err;
+	bool phantom_jack;
+
+	if (!nid)
+		return 0;
+	def_conf = snd_hda_codec_get_pincfg(codec, nid);
+	conn = get_defcfg_connect(def_conf);
+	if (conn == AC_JACK_PORT_NONE)
+		return 0;
+	phantom_jack = (conn != AC_JACK_PORT_COMPLEX) ||
+		       !is_jack_detectable(codec, nid);
+
+	if (base_name) {
+		strlcpy(name, base_name, sizeof(name));
+		idx = 0;
+	} else
+		snd_hda_get_pin_label(codec, nid, cfg, name, sizeof(name), &idx);
+	if (phantom_jack)
+		/* Example final name: "Internal Mic Phantom Jack" */
+		strncat(name, " Phantom", sizeof(name) - strlen(name) - 1);
+	idx = get_unique_index(codec, name, idx);
+	err = __snd_hda_jack_add_kctl(codec, nid, name, idx, phantom_jack);
+	if (err < 0)
+		return err;
+
+	if (!phantom_jack)
+		return snd_hda_jack_detect_enable(codec, nid);
+	return 0;
+}
+
+/**
+ * snd_hda_jack_add_kctls - Add kctls for all pins included in the given pincfg
+ */
+int snd_hda_jack_add_kctls(struct hda_codec *codec,
+			   const struct auto_pin_cfg *cfg)
+{
+	const hda_nid_t *p;
+	int i, err;
+
+	for (i = 0; i < cfg->num_inputs; i++) {
+		/* If we have headphone mics; make sure they get the right name
+		   before grabbed by output pins */
+		if (cfg->inputs[i].is_headphone_mic) {
+			if (auto_cfg_hp_outs(cfg) == 1)
+				err = add_jack_kctl(codec, auto_cfg_hp_pins(cfg)[0],
+						    cfg, "Headphone Mic");
+			else
+				err = add_jack_kctl(codec, cfg->inputs[i].pin,
+						    cfg, "Headphone Mic");
+		} else
+			err = add_jack_kctl(codec, cfg->inputs[i].pin, cfg,
+					    NULL);
+		if (err < 0)
+			return err;
+	}
+
+	for (i = 0, p = cfg->line_out_pins; i < cfg->line_outs; i++, p++) {
+		err = add_jack_kctl(codec, *p, cfg, NULL);
+		if (err < 0)
+			return err;
+	}
+	for (i = 0, p = cfg->hp_pins; i < cfg->hp_outs; i++, p++) {
+		if (*p == *cfg->line_out_pins) /* might be duplicated */
+			break;
+		err = add_jack_kctl(codec, *p, cfg, NULL);
+		if (err < 0)
+			return err;
+	}
+	for (i = 0, p = cfg->speaker_pins; i < cfg->speaker_outs; i++, p++) {
+		if (*p == *cfg->line_out_pins) /* might be duplicated */
+			break;
+		err = add_jack_kctl(codec, *p, cfg, NULL);
+		if (err < 0)
+			return err;
+	}
+	for (i = 0, p = cfg->dig_out_pins; i < cfg->dig_outs; i++, p++) {
+		err = add_jack_kctl(codec, *p, cfg, NULL);
+		if (err < 0)
+			return err;
+	}
+	err = add_jack_kctl(codec, cfg->dig_in_pin, cfg, NULL);
+	if (err < 0)
+		return err;
+	err = add_jack_kctl(codec, cfg->mono_out_pin, cfg, NULL);
+	if (err < 0)
+		return err;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_add_kctls);
+
+static void call_jack_callback(struct hda_codec *codec,
+			       struct hda_jack_tbl *jack)
+{
+	struct hda_jack_callback *cb;
+
+	for (cb = jack->callback; cb; cb = cb->next)
+		cb->func(codec, cb);
+	if (jack->gated_jack) {
+		struct hda_jack_tbl *gated =
+			snd_hda_jack_tbl_get(codec, jack->gated_jack);
+		if (gated) {
+			for (cb = gated->callback; cb; cb = cb->next)
+				cb->func(codec, cb);
+		}
+	}
+}
+
+void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res)
+{
+	struct hda_jack_tbl *event;
+	int tag = (res >> AC_UNSOL_RES_TAG_SHIFT) & 0x7f;
+
+	event = snd_hda_jack_tbl_get_from_tag(codec, tag);
+	if (!event)
+		return;
+	event->jack_dirty = 1;
+
+	call_jack_callback(codec, event);
+	snd_hda_jack_report_sync(codec);
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_unsol_event);
+
+void snd_hda_jack_poll_all(struct hda_codec *codec)
+{
+	struct hda_jack_tbl *jack = codec->jacktbl.list;
+	int i, changes = 0;
+
+	for (i = 0; i < codec->jacktbl.used; i++, jack++) {
+		unsigned int old_sense;
+		if (!jack->nid || !jack->jack_dirty || jack->phantom_jack)
+			continue;
+		old_sense = get_jack_plug_state(jack->pin_sense);
+		jack_detect_update(codec, jack);
+		if (old_sense == get_jack_plug_state(jack->pin_sense))
+			continue;
+		changes = 1;
+		call_jack_callback(codec, jack);
+	}
+	if (changes)
+		snd_hda_jack_report_sync(codec);
+}
+EXPORT_SYMBOL_GPL(snd_hda_jack_poll_all);
+

sound/pci/hda/hda_jack.h

@@ -0,0 +1,93 @@
+/*
+ * Jack-detection handling for HD-audio
+ *
+ * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SOUND_HDA_JACK_H
+#define __SOUND_HDA_JACK_H
+
+#include <linux/err.h>
+
+struct auto_pin_cfg;
+struct hda_jack_tbl;
+struct hda_jack_callback;
+
+typedef void (*hda_jack_callback_fn) (struct hda_codec *, struct hda_jack_callback *);
+
+struct hda_jack_callback {
+	struct hda_jack_tbl *tbl;
+	hda_jack_callback_fn func;
+	unsigned int private_data;	/* arbitrary data */
+	struct hda_jack_callback *next;
+};
+
+struct hda_jack_tbl {
+	hda_nid_t nid;
+	unsigned char tag;		/* unsol event tag */
+	struct hda_jack_callback *callback;
+	/* jack-detection stuff */
+	unsigned int pin_sense;		/* cached pin-sense value */
+	unsigned int jack_detect:1;	/* capable of jack-detection? */
+	unsigned int jack_dirty:1;	/* needs to update? */
+	unsigned int phantom_jack:1;    /* a fixed, always present port? */
+	unsigned int block_report:1;    /* in a transitional state - do not report to userspace */
+	hda_nid_t gating_jack;		/* valid when gating jack plugged */
+	hda_nid_t gated_jack;		/* gated is dependent on this jack */
+	struct snd_kcontrol *kctl;	/* assigned kctl for jack-detection */
+#ifdef CONFIG_SND_HDA_INPUT_JACK
+	int type;
+	struct snd_jack *jack;
+#endif
+};
+
+struct hda_jack_tbl *
+snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid);
+struct hda_jack_tbl *
+snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag);
+
+void snd_hda_jack_tbl_clear(struct hda_codec *codec);
+
+void snd_hda_jack_set_dirty_all(struct hda_codec *codec);
+
+int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid);
+struct hda_jack_callback *
+snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
+				    hda_jack_callback_fn cb);
+
+int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid,
+				 hda_nid_t gating_nid);
+
+u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
+
+/* the jack state returned from snd_hda_jack_detect_state() */
+enum {
+	HDA_JACK_NOT_PRESENT, HDA_JACK_PRESENT, HDA_JACK_PHANTOM,
+};
+
+int snd_hda_jack_detect_state(struct hda_codec *codec, hda_nid_t nid);
+
+static inline bool snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid)
+{
+	return snd_hda_jack_detect_state(codec, nid) != HDA_JACK_NOT_PRESENT;
+}
+
+bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid);
+
+int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
+			  const char *name, int idx);
+int snd_hda_jack_add_kctls(struct hda_codec *codec,
+			   const struct auto_pin_cfg *cfg);
+
+void snd_hda_jack_report_sync(struct hda_codec *codec);
+
+void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res);
+
+void snd_hda_jack_poll_all(struct hda_codec *codec);
+
+#endif /* __SOUND_HDA_JACK_H */

sound/pci/hda/hda_local.h

@@ -0,0 +1,808 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * Local helper functions
+ *
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ *  more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program; if not, write to the Free Software Foundation, Inc., 59
+ *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef __SOUND_HDA_LOCAL_H
+#define __SOUND_HDA_LOCAL_H
+
+/* We abuse kcontrol_new.subdev field to pass the NID corresponding to
+ * the given new control.  If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG,
+ * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID.
+ * 
+ * Note that the subdevice field is cleared again before the real registration
+ * in snd_hda_ctl_add(), so that this value won't appear in the outside.
+ */
+#define HDA_SUBDEV_NID_FLAG	(1U << 31)
+#define HDA_SUBDEV_AMP_FLAG	(1U << 30)
+
+/*
+ * for mixer controls
+ */
+#define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs)		\
+	((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
+#define HDA_AMP_VAL_MIN_MUTE (1<<29)
+#define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
+	HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
+/* mono volume with index (index=0,1,...) (channel=1,2) */
+#define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, dir, flags) \
+	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
+	  .subdevice = HDA_SUBDEV_AMP_FLAG, \
+	  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+	  	    SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+	  	    SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
+	  .info = snd_hda_mixer_amp_volume_info, \
+	  .get = snd_hda_mixer_amp_volume_get, \
+	  .put = snd_hda_mixer_amp_volume_put, \
+	  .tlv = { .c = snd_hda_mixer_amp_tlv },		\
+	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, dir) | flags }
+/* stereo volume with index */
+#define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
+	HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction, 0)
+/* mono volume */
+#define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
+	HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0)
+/* stereo volume */
+#define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
+	HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
+/* stereo volume with min=mute */
+#define HDA_CODEC_VOLUME_MIN_MUTE(xname, nid, xindex, direction) \
+	HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, 3, xindex, direction, \
+				  HDA_AMP_VAL_MIN_MUTE)
+/* mono mute switch with index (index=0,1,...) (channel=1,2) */
+#define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
+	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
+	  .subdevice = HDA_SUBDEV_AMP_FLAG, \
+	  .info = snd_hda_mixer_amp_switch_info, \
+	  .get = snd_hda_mixer_amp_switch_get, \
+	  .put = snd_hda_mixer_amp_switch_put, \
+	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
+/* stereo mute switch with index */
+#define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
+	HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
+/* mono mute switch */
+#define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
+	HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
+/* stereo mute switch */
+#define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
+	HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
+#ifdef CONFIG_SND_HDA_INPUT_BEEP
+/* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
+#define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
+	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
+	  .subdevice = HDA_SUBDEV_AMP_FLAG, \
+	  .info = snd_hda_mixer_amp_switch_info, \
+	  .get = snd_hda_mixer_amp_switch_get_beep, \
+	  .put = snd_hda_mixer_amp_switch_put_beep, \
+	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
+#else
+/* no digital beep - just the standard one */
+#define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
+	HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
+#endif /* CONFIG_SND_HDA_INPUT_BEEP */
+/* special beep mono mute switch */
+#define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
+	HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
+/* special beep stereo mute switch */
+#define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
+	HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
+
+extern const char *snd_hda_pcm_type_name[];
+
+int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_info *uinfo);
+int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol);
+int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol);
+int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+			  unsigned int size, unsigned int __user *tlv);
+int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_info *uinfo);
+int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol);
+int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol);
+#ifdef CONFIG_SND_HDA_INPUT_BEEP
+int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol,
+				      struct snd_ctl_elem_value *ucontrol);
+int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
+				      struct snd_ctl_elem_value *ucontrol);
+#endif
+/* lowlevel accessor with caching; use carefully */
+int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
+			   int direction, int index);
+int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
+			     int direction, int idx, int mask, int val);
+int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
+			     int dir, int idx, int mask, int val);
+int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
+			   int direction, int idx, int mask, int val);
+int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
+				  int dir, int idx, int mask, int val);
+void snd_hda_codec_resume_amp(struct hda_codec *codec);
+
+void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
+			     unsigned int *tlv);
+struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
+					    const char *name);
+int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
+			  unsigned int *tlv, const char * const *slaves,
+			  const char *suffix, bool init_slave_vol,
+			  struct snd_kcontrol **ctl_ret);
+#define snd_hda_add_vmaster(codec, name, tlv, slaves, suffix) \
+	__snd_hda_add_vmaster(codec, name, tlv, slaves, suffix, true, NULL)
+int snd_hda_codec_reset(struct hda_codec *codec);
+
+enum {
+	HDA_VMUTE_OFF,
+	HDA_VMUTE_ON,
+	HDA_VMUTE_FOLLOW_MASTER,
+};
+
+struct hda_vmaster_mute_hook {
+	/* below two fields must be filled by the caller of
+	 * snd_hda_add_vmaster_hook() beforehand
+	 */
+	struct snd_kcontrol *sw_kctl;
+	void (*hook)(void *, int);
+	/* below are initialized automatically */
+	unsigned int mute_mode; /* HDA_VMUTE_XXX */
+	struct hda_codec *codec;
+};
+
+int snd_hda_add_vmaster_hook(struct hda_codec *codec,
+			     struct hda_vmaster_mute_hook *hook,
+			     bool expose_enum_ctl);
+void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook);
+
+/* amp value bits */
+#define HDA_AMP_MUTE	0x80
+#define HDA_AMP_UNMUTE	0x00
+#define HDA_AMP_VOLMASK	0x7f
+
+/* mono switch binding multiple inputs */
+#define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
+	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
+	  .info = snd_hda_mixer_amp_switch_info, \
+	  .get = snd_hda_mixer_bind_switch_get, \
+	  .put = snd_hda_mixer_bind_switch_put, \
+	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
+
+/* stereo switch binding multiple inputs */
+#define HDA_BIND_MUTE(xname,nid,indices,dir) \
+	HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
+
+int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol);
+int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol);
+
+/* more generic bound controls */
+struct hda_ctl_ops {
+	snd_kcontrol_info_t *info;
+	snd_kcontrol_get_t *get;
+	snd_kcontrol_put_t *put;
+	snd_kcontrol_tlv_rw_t *tlv;
+};
+
+extern struct hda_ctl_ops snd_hda_bind_vol;	/* for bind-volume with TLV */
+extern struct hda_ctl_ops snd_hda_bind_sw;	/* for bind-switch */
+
+struct hda_bind_ctls {
+	struct hda_ctl_ops *ops;
+	unsigned long values[];
+};
+
+int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_info *uinfo);
+int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol);
+int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol);
+int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+			   unsigned int size, unsigned int __user *tlv);
+
+#define HDA_BIND_VOL(xname, bindrec) \
+	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	  .name = xname, \
+	  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+			  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
+	  .info = snd_hda_mixer_bind_ctls_info,\
+	  .get =  snd_hda_mixer_bind_ctls_get,\
+	  .put = snd_hda_mixer_bind_ctls_put,\
+	  .tlv = { .c = snd_hda_mixer_bind_tlv },\
+	  .private_value = (long) (bindrec) }
+#define HDA_BIND_SW(xname, bindrec) \
+	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
+	  .name = xname, \
+	  .info = snd_hda_mixer_bind_ctls_info,\
+	  .get =  snd_hda_mixer_bind_ctls_get,\
+	  .put = snd_hda_mixer_bind_ctls_put,\
+	  .private_value = (long) (bindrec) }
+
+/*
+ * SPDIF I/O
+ */
+int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
+				hda_nid_t associated_nid,
+				hda_nid_t cvt_nid, int type);
+#define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \
+	snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF)
+int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
+
+/*
+ * input MUX helper
+ */
+#define HDA_MAX_NUM_INPUTS	16
+struct hda_input_mux_item {
+	char label[32];
+	unsigned int index;
+};
+struct hda_input_mux {
+	unsigned int num_items;
+	struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
+};
+
+int snd_hda_input_mux_info(const struct hda_input_mux *imux,
+			   struct snd_ctl_elem_info *uinfo);
+int snd_hda_input_mux_put(struct hda_codec *codec,
+			  const struct hda_input_mux *imux,
+			  struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
+			  unsigned int *cur_val);
+int snd_hda_add_imux_item(struct hda_codec *codec,
+			  struct hda_input_mux *imux, const char *label,
+			  int index, int *type_index_ret);
+
+/*
+ * Channel mode helper
+ */
+struct hda_channel_mode {
+	int channels;
+	const struct hda_verb *sequence;
+};
+
+int snd_hda_ch_mode_info(struct hda_codec *codec,
+			 struct snd_ctl_elem_info *uinfo,
+			 const struct hda_channel_mode *chmode,
+			 int num_chmodes);
+int snd_hda_ch_mode_get(struct hda_codec *codec,
+			struct snd_ctl_elem_value *ucontrol,
+			const struct hda_channel_mode *chmode,
+			int num_chmodes,
+			int max_channels);
+int snd_hda_ch_mode_put(struct hda_codec *codec,
+			struct snd_ctl_elem_value *ucontrol,
+			const struct hda_channel_mode *chmode,
+			int num_chmodes,
+			int *max_channelsp);
+
+/*
+ * Multi-channel / digital-out PCM helper
+ */
+
+enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
+enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
+
+#define HDA_MAX_OUTS	5
+
+struct hda_multi_out {
+	int num_dacs;		/* # of DACs, must be more than 1 */
+	const hda_nid_t *dac_nids;	/* DAC list */
+	hda_nid_t hp_nid;	/* optional DAC for HP, 0 when not exists */
+	hda_nid_t hp_out_nid[HDA_MAX_OUTS];	/* DACs for multiple HPs */
+	hda_nid_t extra_out_nid[HDA_MAX_OUTS];	/* other (e.g. speaker) DACs */
+	hda_nid_t dig_out_nid;	/* digital out audio widget */
+	const hda_nid_t *slave_dig_outs;
+	int max_channels;	/* currently supported analog channels */
+	int dig_out_used;	/* current usage of digital out (HDA_DIG_XXX) */
+	int no_share_stream;	/* don't share a stream with multiple pins */
+	int share_spdif;	/* share SPDIF pin */
+	/* PCM information for both analog and SPDIF DACs */
+	unsigned int analog_rates;
+	unsigned int analog_maxbps;
+	u64 analog_formats;
+	unsigned int spdif_rates;
+	unsigned int spdif_maxbps;
+	u64 spdif_formats;
+};
+
+int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
+				  struct hda_multi_out *mout);
+int snd_hda_multi_out_dig_open(struct hda_codec *codec,
+			       struct hda_multi_out *mout);
+int snd_hda_multi_out_dig_close(struct hda_codec *codec,
+				struct hda_multi_out *mout);
+int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
+				  struct hda_multi_out *mout,
+				  unsigned int stream_tag,
+				  unsigned int format,
+				  struct snd_pcm_substream *substream);
+int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
+				  struct hda_multi_out *mout);
+int snd_hda_multi_out_analog_open(struct hda_codec *codec,
+				  struct hda_multi_out *mout,
+				  struct snd_pcm_substream *substream,
+				  struct hda_pcm_stream *hinfo);
+int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
+				     struct hda_multi_out *mout,
+				     unsigned int stream_tag,
+				     unsigned int format,
+				     struct snd_pcm_substream *substream);
+int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
+				     struct hda_multi_out *mout);
+
+/*
+ * generic codec parser
+ */
+int snd_hda_parse_generic_codec(struct hda_codec *codec);
+int snd_hda_parse_hdmi_codec(struct hda_codec *codec);
+
+/*
+ * generic proc interface
+ */
+#ifdef CONFIG_PROC_FS
+int snd_hda_codec_proc_new(struct hda_codec *codec);
+#else
+static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
+#endif
+
+#define SND_PRINT_BITS_ADVISED_BUFSIZE	16
+void snd_print_pcm_bits(int pcm, char *buf, int buflen);
+
+/*
+ * Misc
+ */
+int snd_hda_add_new_ctls(struct hda_codec *codec,
+			 const struct snd_kcontrol_new *knew);
+
+/*
+ * Fix-up pin default configurations and add default verbs
+ */
+
+struct hda_pintbl {
+	hda_nid_t nid;
+	u32 val;
+};
+
+struct hda_model_fixup {
+	const int id;
+	const char *name;
+};
+
+struct hda_fixup {
+	int type;
+	bool chained:1;		/* call the chained fixup(s) after this */
+	bool chained_before:1;	/* call the chained fixup(s) before this */
+	int chain_id;
+	union {
+		const struct hda_pintbl *pins;
+		const struct hda_verb *verbs;
+		void (*func)(struct hda_codec *codec,
+			     const struct hda_fixup *fix,
+			     int action);
+	} v;
+};
+
+struct snd_hda_pin_quirk {
+	unsigned int codec;             /* Codec vendor/device ID */
+	unsigned short subvendor;	/* PCI subvendor ID */
+	const struct hda_pintbl *pins;  /* list of matching pins */
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+	const char *name;
+#endif
+	int value;			/* quirk value */
+};
+
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+
+#define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
+	{ .codec = _codec,\
+	  .subvendor = _subvendor,\
+	  .name = _name,\
+	  .value = _value,\
+	  .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
+	}
+#else
+
+#define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
+	{ .codec = _codec,\
+	  .subvendor = _subvendor,\
+	  .value = _value,\
+	  .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
+	}
+
+#endif
+
+#define HDA_FIXUP_ID_NOT_SET -1
+#define HDA_FIXUP_ID_NO_FIXUP -2
+
+/* fixup types */
+enum {
+	HDA_FIXUP_INVALID,
+	HDA_FIXUP_PINS,
+	HDA_FIXUP_VERBS,
+	HDA_FIXUP_FUNC,
+	HDA_FIXUP_PINCTLS,
+};
+
+/* fixup action definitions */
+enum {
+	HDA_FIXUP_ACT_PRE_PROBE,
+	HDA_FIXUP_ACT_PROBE,
+	HDA_FIXUP_ACT_INIT,
+	HDA_FIXUP_ACT_BUILD,
+	HDA_FIXUP_ACT_FREE,
+};
+
+int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list);
+void snd_hda_apply_verbs(struct hda_codec *codec);
+void snd_hda_apply_pincfgs(struct hda_codec *codec,
+			   const struct hda_pintbl *cfg);
+void snd_hda_apply_fixup(struct hda_codec *codec, int action);
+void snd_hda_pick_fixup(struct hda_codec *codec,
+			const struct hda_model_fixup *models,
+			const struct snd_pci_quirk *quirk,
+			const struct hda_fixup *fixlist);
+void snd_hda_pick_pin_fixup(struct hda_codec *codec,
+			    const struct snd_hda_pin_quirk *pin_quirk,
+			    const struct hda_fixup *fixlist);
+
+
+/*
+ * unsolicited event handler
+ */
+
+#define HDA_UNSOL_QUEUE_SIZE	64
+
+struct hda_bus_unsolicited {
+	/* ring buffer */
+	u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
+	unsigned int rp, wp;
+
+	/* workqueue */
+	struct work_struct work;
+	struct hda_bus *bus;
+};
+
+/* helper macros to retrieve pin default-config values */
+#define get_defcfg_connect(cfg) \
+	((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
+#define get_defcfg_association(cfg) \
+	((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
+#define get_defcfg_location(cfg) \
+	((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
+#define get_defcfg_sequence(cfg) \
+	(cfg & AC_DEFCFG_SEQUENCE)
+#define get_defcfg_device(cfg) \
+	((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
+#define get_defcfg_misc(cfg) \
+	((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
+
+/* amp values */
+#define AMP_IN_MUTE(idx)	(0x7080 | ((idx)<<8))
+#define AMP_IN_UNMUTE(idx)	(0x7000 | ((idx)<<8))
+#define AMP_OUT_MUTE		0xb080
+#define AMP_OUT_UNMUTE		0xb000
+#define AMP_OUT_ZERO		0xb000
+/* pinctl values */
+#define PIN_IN			(AC_PINCTL_IN_EN)
+#define PIN_VREFHIZ		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
+#define PIN_VREF50		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
+#define PIN_VREFGRD		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
+#define PIN_VREF80		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
+#define PIN_VREF100		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
+#define PIN_OUT			(AC_PINCTL_OUT_EN)
+#define PIN_HP			(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
+#define PIN_HP_AMP		(AC_PINCTL_HP_EN)
+
+unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin);
+unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
+				     hda_nid_t pin, unsigned int val);
+int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
+			 unsigned int val, bool cached);
+
+/**
+ * _snd_hda_set_pin_ctl - Set a pin-control value safely
+ * @codec: the codec instance
+ * @pin: the pin NID to set the control
+ * @val: the pin-control value (AC_PINCTL_* bits)
+ *
+ * This function sets the pin-control value to the given pin, but
+ * filters out the invalid pin-control bits when the pin has no such
+ * capabilities.  For example, when PIN_HP is passed but the pin has no
+ * HP-drive capability, the HP bit is omitted.
+ *
+ * The function doesn't check the input VREF capability bits, though.
+ * Use snd_hda_get_default_vref() to guess the right value.
+ * Also, this function is only for analog pins, not for HDMI pins.
+ */
+static inline int
+snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val)
+{
+	return _snd_hda_set_pin_ctl(codec, pin, val, false);
+}
+
+/**
+ * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
+ * @codec: the codec instance
+ * @pin: the pin NID to set the control
+ * @val: the pin-control value (AC_PINCTL_* bits)
+ *
+ * Just like snd_hda_set_pin_ctl() but write to cache as well.
+ */
+static inline int
+snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin,
+			  unsigned int val)
+{
+	return _snd_hda_set_pin_ctl(codec, pin, val, true);
+}
+
+int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
+				 unsigned int val);
+
+/*
+ * get widget capabilities
+ */
+static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
+{
+	if (nid < codec->start_nid ||
+	    nid >= codec->start_nid + codec->num_nodes)
+		return 0;
+	return codec->wcaps[nid - codec->start_nid];
+}
+
+/* get the widget type from widget capability bits */
+static inline int get_wcaps_type(unsigned int wcaps)
+{
+	if (!wcaps)
+		return -1; /* invalid type */
+	return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
+}
+
+static inline unsigned int get_wcaps_channels(u32 wcaps)
+{
+	unsigned int chans;
+
+	chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
+	chans = ((chans << 1) | 1) + 1;
+
+	return chans;
+}
+
+static inline void snd_hda_override_wcaps(struct hda_codec *codec,
+					  hda_nid_t nid, u32 val)
+{
+	if (nid >= codec->start_nid &&
+	    nid < codec->start_nid + codec->num_nodes)
+		codec->wcaps[nid - codec->start_nid] = val;
+}
+
+u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
+int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
+			      unsigned int caps);
+u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
+			      unsigned int caps);
+bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
+			   int dir, unsigned int bits);
+
+#define nid_has_mute(codec, nid, dir) \
+	snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
+#define nid_has_volume(codec, nid, dir) \
+	snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
+
+
+/* flags for hda_nid_item */
+#define HDA_NID_ITEM_AMP	(1<<0)
+
+struct hda_nid_item {
+	struct snd_kcontrol *kctl;
+	unsigned int index;
+	hda_nid_t nid;
+	unsigned short flags;
+};
+
+int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
+		    struct snd_kcontrol *kctl);
+int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
+		    unsigned int index, hda_nid_t nid);
+void snd_hda_ctls_clear(struct hda_codec *codec);
+
+/*
+ * hwdep interface
+ */
+#ifdef CONFIG_SND_HDA_HWDEP
+int snd_hda_create_hwdep(struct hda_codec *codec);
+#else
+static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
+#endif
+
+void snd_hda_sysfs_init(struct hda_codec *codec);
+void snd_hda_sysfs_clear(struct hda_codec *codec);
+
+extern const struct attribute_group *snd_hda_dev_attr_groups[];
+
+#ifdef CONFIG_SND_HDA_RECONFIG
+const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
+int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
+int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp);
+#else
+static inline
+const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
+{
+	return NULL;
+}
+
+static inline
+int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
+{
+	return -ENOENT;
+}
+
+static inline
+int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
+{
+	return -ENOENT;
+}
+#endif
+
+/*
+ * power-management
+ */
+
+void snd_hda_schedule_power_save(struct hda_codec *codec);
+
+struct hda_amp_list {
+	hda_nid_t nid;
+	unsigned char dir;
+	unsigned char idx;
+};
+
+struct hda_loopback_check {
+	const struct hda_amp_list *amplist;
+	int power_on;
+};
+
+int snd_hda_check_amp_list_power(struct hda_codec *codec,
+				 struct hda_loopback_check *check,
+				 hda_nid_t nid);
+
+/* check whether the actual power state matches with the target state */
+static inline bool
+snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
+			  unsigned int target_state)
+{
+	unsigned int state = snd_hda_codec_read(codec, nid, 0,
+						AC_VERB_GET_POWER_STATE, 0);
+	if (state & AC_PWRST_ERROR)
+		return true;
+	state = (state >> 4) & 0x0f;
+	return (state == target_state);
+}
+
+unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
+					     hda_nid_t nid,
+					     unsigned int power_state);
+
+/*
+ * AMP control callbacks
+ */
+/* retrieve parameters from private_value */
+#define get_amp_nid_(pv)	((pv) & 0xffff)
+#define get_amp_nid(kc)		get_amp_nid_((kc)->private_value)
+#define get_amp_channels(kc)	(((kc)->private_value >> 16) & 0x3)
+#define get_amp_direction_(pv)	(((pv) >> 18) & 0x1)
+#define get_amp_direction(kc)	get_amp_direction_((kc)->private_value)
+#define get_amp_index_(pv)	(((pv) >> 19) & 0xf)
+#define get_amp_index(kc)	get_amp_index_((kc)->private_value)
+#define get_amp_offset(kc)	(((kc)->private_value >> 23) & 0x3f)
+#define get_amp_min_mute(kc)	(((kc)->private_value >> 29) & 0x1)
+
+/*
+ * enum control helper
+ */
+int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
+			     struct snd_ctl_elem_info *uinfo,
+			     int num_entries, const char * const *texts);
+#define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
+	snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
+
+/*
+ * CEA Short Audio Descriptor data
+ */
+struct cea_sad {
+	int	channels;
+	int	format;		/* (format == 0) indicates invalid SAD */
+	int	rates;
+	int	sample_bits;	/* for LPCM */
+	int	max_bitrate;	/* for AC3...ATRAC */
+	int	profile;	/* for WMAPRO */
+};
+
+#define ELD_FIXED_BYTES	20
+#define ELD_MAX_SIZE    256
+#define ELD_MAX_MNL	16
+#define ELD_MAX_SAD	16
+
+/*
+ * ELD: EDID Like Data
+ */
+struct parsed_hdmi_eld {
+	/*
+	 * all fields will be cleared before updating ELD
+	 */
+	int	baseline_len;
+	int	eld_ver;
+	int	cea_edid_ver;
+	char	monitor_name[ELD_MAX_MNL + 1];
+	int	manufacture_id;
+	int	product_id;
+	u64	port_id;
+	int	support_hdcp;
+	int	support_ai;
+	int	conn_type;
+	int	aud_synch_delay;
+	int	spk_alloc;
+	int	sad_count;
+	struct cea_sad sad[ELD_MAX_SAD];
+};
+
+struct hdmi_eld {
+	bool	monitor_present;
+	bool	eld_valid;
+	int	eld_size;
+	char    eld_buffer[ELD_MAX_SIZE];
+	struct parsed_hdmi_eld info;
+};
+
+int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
+int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
+		     unsigned char *buf, int *eld_size);
+int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e,
+		       const unsigned char *buf, int size);
+void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e);
+void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
+			      struct hda_pcm_stream *hinfo);
+
+int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
+			 unsigned char *buf, int *eld_size,
+			 bool rev3_or_later);
+
+#ifdef CONFIG_PROC_FS
+void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
+			     struct snd_info_buffer *buffer);
+void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
+			     struct snd_info_buffer *buffer);
+#endif
+
+#define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
+void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
+
+/*
+ */
+#define codec_err(codec, fmt, args...) dev_err(&(codec)->dev, fmt, ##args)
+#define codec_warn(codec, fmt, args...) dev_warn(&(codec)->dev, fmt, ##args)
+#define codec_info(codec, fmt, args...) dev_info(&(codec)->dev, fmt, ##args)
+#define codec_dbg(codec, fmt, args...) dev_dbg(&(codec)->dev, fmt, ##args)
+
+#endif /* __SOUND_HDA_LOCAL_H */

sound/pci/hda/hda_priv.h

@@ -0,0 +1,399 @@
+/*
+ *  Common defines for the alsa driver code base for HD Audio.
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ *  more details.
+ */
+
+#ifndef __SOUND_HDA_PRIV_H
+#define __SOUND_HDA_PRIV_H
+
+#include <linux/clocksource.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+/*
+ * registers
+ */
+#define AZX_REG_GCAP			0x00
+#define   AZX_GCAP_64OK		(1 << 0)   /* 64bit address support */
+#define   AZX_GCAP_NSDO		(3 << 1)   /* # of serial data out signals */
+#define   AZX_GCAP_BSS		(31 << 3)  /* # of bidirectional streams */
+#define   AZX_GCAP_ISS		(15 << 8)  /* # of input streams */
+#define   AZX_GCAP_OSS		(15 << 12) /* # of output streams */
+#define AZX_REG_VMIN			0x02
+#define AZX_REG_VMAJ			0x03
+#define AZX_REG_OUTPAY			0x04
+#define AZX_REG_INPAY			0x06
+#define AZX_REG_GCTL			0x08
+#define   AZX_GCTL_RESET	(1 << 0)   /* controller reset */
+#define   AZX_GCTL_FCNTRL	(1 << 1)   /* flush control */
+#define   AZX_GCTL_UNSOL	(1 << 8)   /* accept unsol. response enable */
+#define AZX_REG_WAKEEN			0x0c
+#define AZX_REG_STATESTS		0x0e
+#define AZX_REG_GSTS			0x10
+#define   AZX_GSTS_FSTS		(1 << 1)   /* flush status */
+#define AZX_REG_INTCTL			0x20
+#define AZX_REG_INTSTS			0x24
+#define AZX_REG_WALLCLK			0x30	/* 24Mhz source */
+#define AZX_REG_OLD_SSYNC		0x34	/* SSYNC for old ICH */
+#define AZX_REG_SSYNC			0x38
+#define AZX_REG_CORBLBASE		0x40
+#define AZX_REG_CORBUBASE		0x44
+#define AZX_REG_CORBWP			0x48
+#define AZX_REG_CORBRP			0x4a
+#define   AZX_CORBRP_RST	(1 << 15)  /* read pointer reset */
+#define AZX_REG_CORBCTL			0x4c
+#define   AZX_CORBCTL_RUN	(1 << 1)   /* enable DMA */
+#define   AZX_CORBCTL_CMEIE	(1 << 0)   /* enable memory error irq */
+#define AZX_REG_CORBSTS			0x4d
+#define   AZX_CORBSTS_CMEI	(1 << 0)   /* memory error indication */
+#define AZX_REG_CORBSIZE		0x4e
+
+#define AZX_REG_RIRBLBASE		0x50
+#define AZX_REG_RIRBUBASE		0x54
+#define AZX_REG_RIRBWP			0x58
+#define   AZX_RIRBWP_RST	(1 << 15)  /* write pointer reset */
+#define AZX_REG_RINTCNT			0x5a
+#define AZX_REG_RIRBCTL			0x5c
+#define   AZX_RBCTL_IRQ_EN	(1 << 0)   /* enable IRQ */
+#define   AZX_RBCTL_DMA_EN	(1 << 1)   /* enable DMA */
+#define   AZX_RBCTL_OVERRUN_EN	(1 << 2)   /* enable overrun irq */
+#define AZX_REG_RIRBSTS			0x5d
+#define   AZX_RBSTS_IRQ		(1 << 0)   /* response irq */
+#define   AZX_RBSTS_OVERRUN	(1 << 2)   /* overrun irq */
+#define AZX_REG_RIRBSIZE		0x5e
+
+#define AZX_REG_IC			0x60
+#define AZX_REG_IR			0x64
+#define AZX_REG_IRS			0x68
+#define   AZX_IRS_VALID		(1<<1)
+#define   AZX_IRS_BUSY		(1<<0)
+
+#define AZX_REG_DPLBASE			0x70
+#define AZX_REG_DPUBASE			0x74
+#define   AZX_DPLBASE_ENABLE	0x1	/* Enable position buffer */
+
+/* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
+enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
+
+/* stream register offsets from stream base */
+#define AZX_REG_SD_CTL			0x00
+#define AZX_REG_SD_STS			0x03
+#define AZX_REG_SD_LPIB			0x04
+#define AZX_REG_SD_CBL			0x08
+#define AZX_REG_SD_LVI			0x0c
+#define AZX_REG_SD_FIFOW		0x0e
+#define AZX_REG_SD_FIFOSIZE		0x10
+#define AZX_REG_SD_FORMAT		0x12
+#define AZX_REG_SD_BDLPL		0x18
+#define AZX_REG_SD_BDLPU		0x1c
+
+/* PCI space */
+#define AZX_PCIREG_TCSEL		0x44
+
+/*
+ * other constants
+ */
+
+/* max number of fragments - we may use more if allocating more pages for BDL */
+#define BDL_SIZE		4096
+#define AZX_MAX_BDL_ENTRIES	(BDL_SIZE / 16)
+#define AZX_MAX_FRAG		32
+/* max buffer size - no h/w limit, you can increase as you like */
+#define AZX_MAX_BUF_SIZE	(1024*1024*1024)
+
+/* RIRB int mask: overrun[2], response[0] */
+#define RIRB_INT_RESPONSE	0x01
+#define RIRB_INT_OVERRUN	0x04
+#define RIRB_INT_MASK		0x05
+
+/* STATESTS int mask: S3,SD2,SD1,SD0 */
+#define AZX_MAX_CODECS		8
+#define AZX_DEFAULT_CODECS	4
+#define STATESTS_INT_MASK	((1 << AZX_MAX_CODECS) - 1)
+
+/* SD_CTL bits */
+#define SD_CTL_STREAM_RESET	0x01	/* stream reset bit */
+#define SD_CTL_DMA_START	0x02	/* stream DMA start bit */
+#define SD_CTL_STRIPE		(3 << 16)	/* stripe control */
+#define SD_CTL_TRAFFIC_PRIO	(1 << 18)	/* traffic priority */
+#define SD_CTL_DIR		(1 << 19)	/* bi-directional stream */
+#define SD_CTL_STREAM_TAG_MASK	(0xf << 20)
+#define SD_CTL_STREAM_TAG_SHIFT	20
+
+/* SD_CTL and SD_STS */
+#define SD_INT_DESC_ERR		0x10	/* descriptor error interrupt */
+#define SD_INT_FIFO_ERR		0x08	/* FIFO error interrupt */
+#define SD_INT_COMPLETE		0x04	/* completion interrupt */
+#define SD_INT_MASK		(SD_INT_DESC_ERR|SD_INT_FIFO_ERR|\
+				 SD_INT_COMPLETE)
+
+/* SD_STS */
+#define SD_STS_FIFO_READY	0x20	/* FIFO ready */
+
+/* INTCTL and INTSTS */
+#define AZX_INT_ALL_STREAM	0xff	   /* all stream interrupts */
+#define AZX_INT_CTRL_EN	0x40000000 /* controller interrupt enable bit */
+#define AZX_INT_GLOBAL_EN	0x80000000 /* global interrupt enable bit */
+
+/* below are so far hardcoded - should read registers in future */
+#define AZX_MAX_CORB_ENTRIES	256
+#define AZX_MAX_RIRB_ENTRIES	256
+
+/* driver quirks (capabilities) */
+/* bits 0-7 are used for indicating driver type */
+#define AZX_DCAPS_NO_TCSEL	(1 << 8)	/* No Intel TCSEL bit */
+#define AZX_DCAPS_NO_MSI	(1 << 9)	/* No MSI support */
+#define AZX_DCAPS_ATI_SNOOP	(1 << 10)	/* ATI snoop enable */
+#define AZX_DCAPS_NVIDIA_SNOOP	(1 << 11)	/* Nvidia snoop enable */
+#define AZX_DCAPS_SCH_SNOOP	(1 << 12)	/* SCH/PCH snoop enable */
+#define AZX_DCAPS_RIRB_DELAY	(1 << 13)	/* Long delay in read loop */
+#define AZX_DCAPS_RIRB_PRE_DELAY (1 << 14)	/* Put a delay before read */
+#define AZX_DCAPS_CTX_WORKAROUND (1 << 15)	/* X-Fi workaround */
+#define AZX_DCAPS_POSFIX_LPIB	(1 << 16)	/* Use LPIB as default */
+#define AZX_DCAPS_POSFIX_VIA	(1 << 17)	/* Use VIACOMBO as default */
+#define AZX_DCAPS_NO_64BIT	(1 << 18)	/* No 64bit address */
+#define AZX_DCAPS_SYNC_WRITE	(1 << 19)	/* sync each cmd write */
+#define AZX_DCAPS_OLD_SSYNC	(1 << 20)	/* Old SSYNC reg for ICH */
+#define AZX_DCAPS_BUFSIZE	(1 << 21)	/* no buffer size alignment */
+#define AZX_DCAPS_ALIGN_BUFSIZE	(1 << 22)	/* buffer size alignment */
+#define AZX_DCAPS_4K_BDLE_BOUNDARY (1 << 23)	/* BDLE in 4k boundary */
+#define AZX_DCAPS_REVERSE_ASSIGN (1 << 24)	/* Assign devices in reverse order */
+#define AZX_DCAPS_COUNT_LPIB_DELAY  (1 << 25)	/* Take LPIB as delay */
+#define AZX_DCAPS_PM_RUNTIME	(1 << 26)	/* runtime PM support */
+#define AZX_DCAPS_I915_POWERWELL (1 << 27)	/* HSW i915 powerwell support */
+#define AZX_DCAPS_CORBRP_SELF_CLEAR (1 << 28)	/* CORBRP clears itself after reset */
+#define AZX_DCAPS_NO_MSI64      (1 << 29)	/* Stick to 32-bit MSIs */
+
+/* HD Audio class code */
+#define PCI_CLASS_MULTIMEDIA_HD_AUDIO	0x0403
+
+struct azx_dev {
+	struct snd_dma_buffer bdl; /* BDL buffer */
+	u32 *posbuf;		/* position buffer pointer */
+
+	unsigned int bufsize;	/* size of the play buffer in bytes */
+	unsigned int period_bytes; /* size of the period in bytes */
+	unsigned int frags;	/* number for period in the play buffer */
+	unsigned int fifo_size;	/* FIFO size */
+	unsigned long start_wallclk;	/* start + minimum wallclk */
+	unsigned long period_wallclk;	/* wallclk for period */
+
+	void __iomem *sd_addr;	/* stream descriptor pointer */
+
+	u32 sd_int_sta_mask;	/* stream int status mask */
+
+	/* pcm support */
+	struct snd_pcm_substream *substream;	/* assigned substream,
+						 * set in PCM open
+						 */
+	unsigned int format_val;	/* format value to be set in the
+					 * controller and the codec
+					 */
+	unsigned char stream_tag;	/* assigned stream */
+	unsigned char index;		/* stream index */
+	int assigned_key;		/* last device# key assigned to */
+
+	unsigned int opened:1;
+	unsigned int running:1;
+	unsigned int irq_pending:1;
+	unsigned int prepared:1;
+	unsigned int locked:1;
+	/*
+	 * For VIA:
+	 *  A flag to ensure DMA position is 0
+	 *  when link position is not greater than FIFO size
+	 */
+	unsigned int insufficient:1;
+	unsigned int wc_marked:1;
+	unsigned int no_period_wakeup:1;
+
+	struct timecounter  azx_tc;
+	struct cyclecounter azx_cc;
+
+	int delay_negative_threshold;
+
+#ifdef CONFIG_SND_HDA_DSP_LOADER
+	/* Allows dsp load to have sole access to the playback stream. */
+	struct mutex dsp_mutex;
+#endif
+};
+
+/* CORB/RIRB */
+struct azx_rb {
+	u32 *buf;		/* CORB/RIRB buffer
+				 * Each CORB entry is 4byte, RIRB is 8byte
+				 */
+	dma_addr_t addr;	/* physical address of CORB/RIRB buffer */
+	/* for RIRB */
+	unsigned short rp, wp;	/* read/write pointers */
+	int cmds[AZX_MAX_CODECS];	/* number of pending requests */
+	u32 res[AZX_MAX_CODECS];	/* last read value */
+};
+
+struct azx;
+
+/* Functions to read/write to hda registers. */
+struct hda_controller_ops {
+	/* Register Access */
+	void (*reg_writel)(u32 value, u32 __iomem *addr);
+	u32 (*reg_readl)(u32 __iomem *addr);
+	void (*reg_writew)(u16 value, u16 __iomem *addr);
+	u16 (*reg_readw)(u16 __iomem *addr);
+	void (*reg_writeb)(u8 value, u8 __iomem *addr);
+	u8 (*reg_readb)(u8 __iomem *addr);
+	/* Disable msi if supported, PCI only */
+	int (*disable_msi_reset_irq)(struct azx *);
+	/* Allocation ops */
+	int (*dma_alloc_pages)(struct azx *chip,
+			       int type,
+			       size_t size,
+			       struct snd_dma_buffer *buf);
+	void (*dma_free_pages)(struct azx *chip, struct snd_dma_buffer *buf);
+	int (*substream_alloc_pages)(struct azx *chip,
+				     struct snd_pcm_substream *substream,
+				     size_t size);
+	int (*substream_free_pages)(struct azx *chip,
+				    struct snd_pcm_substream *substream);
+	void (*pcm_mmap_prepare)(struct snd_pcm_substream *substream,
+				 struct vm_area_struct *area);
+	/* Check if current position is acceptable */
+	int (*position_check)(struct azx *chip, struct azx_dev *azx_dev);
+};
+
+struct azx_pcm {
+	struct azx *chip;
+	struct snd_pcm *pcm;
+	struct hda_codec *codec;
+	struct hda_pcm_stream *hinfo[2];
+	struct list_head list;
+};
+
+typedef unsigned int (*azx_get_pos_callback_t)(struct azx *, struct azx_dev *);
+typedef int (*azx_get_delay_callback_t)(struct azx *, struct azx_dev *, unsigned int pos);
+
+struct azx {
+	struct snd_card *card;
+	struct pci_dev *pci;
+	int dev_index;
+
+	/* chip type specific */
+	int driver_type;
+	unsigned int driver_caps;
+	int playback_streams;
+	int playback_index_offset;
+	int capture_streams;
+	int capture_index_offset;
+	int num_streams;
+	const int *jackpoll_ms; /* per-card jack poll interval */
+
+	/* Register interaction. */
+	const struct hda_controller_ops *ops;
+
+	/* position adjustment callbacks */
+	azx_get_pos_callback_t get_position[2];
+	azx_get_delay_callback_t get_delay[2];
+
+	/* pci resources */
+	unsigned long addr;
+	void __iomem *remap_addr;
+	int irq;
+
+	/* locks */
+	spinlock_t reg_lock;
+	struct mutex open_mutex; /* Prevents concurrent open/close operations */
+
+	/* streams (x num_streams) */
+	struct azx_dev *azx_dev;
+
+	/* PCM */
+	struct list_head pcm_list; /* azx_pcm list */
+
+	/* HD codec */
+	unsigned short codec_mask;
+	int  codec_probe_mask; /* copied from probe_mask option */
+	struct hda_bus *bus;
+	unsigned int beep_mode;
+
+	/* CORB/RIRB */
+	struct azx_rb corb;
+	struct azx_rb rirb;
+
+	/* CORB/RIRB and position buffers */
+	struct snd_dma_buffer rb;
+	struct snd_dma_buffer posbuf;
+
+#ifdef CONFIG_SND_HDA_PATCH_LOADER
+	const struct firmware *fw;
+#endif
+
+	/* flags */
+	const int *bdl_pos_adj;
+	int poll_count;
+	unsigned int running:1;
+	unsigned int initialized:1;
+	unsigned int single_cmd:1;
+	unsigned int polling_mode:1;
+	unsigned int msi:1;
+	unsigned int probing:1; /* codec probing phase */
+	unsigned int snoop:1;
+	unsigned int align_buffer_size:1;
+	unsigned int region_requested:1;
+	unsigned int disabled:1; /* disabled by VGA-switcher */
+
+	/* for debugging */
+	unsigned int last_cmd[AZX_MAX_CODECS];
+
+	/* reboot notifier (for mysterious hangup problem at power-down) */
+	struct notifier_block reboot_notifier;
+
+#ifdef CONFIG_SND_HDA_DSP_LOADER
+	struct azx_dev saved_azx_dev;
+#endif
+};
+
+#ifdef CONFIG_X86
+#define azx_snoop(chip)		((chip)->snoop)
+#else
+#define azx_snoop(chip)		true
+#endif
+
+/*
+ * macros for easy use
+ */
+
+#define azx_writel(chip, reg, value) \
+	((chip)->ops->reg_writel(value, (chip)->remap_addr + AZX_REG_##reg))
+#define azx_readl(chip, reg) \
+	((chip)->ops->reg_readl((chip)->remap_addr + AZX_REG_##reg))
+#define azx_writew(chip, reg, value) \
+	((chip)->ops->reg_writew(value, (chip)->remap_addr + AZX_REG_##reg))
+#define azx_readw(chip, reg) \
+	((chip)->ops->reg_readw((chip)->remap_addr + AZX_REG_##reg))
+#define azx_writeb(chip, reg, value) \
+	((chip)->ops->reg_writeb(value, (chip)->remap_addr + AZX_REG_##reg))
+#define azx_readb(chip, reg) \
+	((chip)->ops->reg_readb((chip)->remap_addr + AZX_REG_##reg))
+
+#define azx_sd_writel(chip, dev, reg, value) \
+	((chip)->ops->reg_writel(value, (dev)->sd_addr + AZX_REG_##reg))
+#define azx_sd_readl(chip, dev, reg) \
+	((chip)->ops->reg_readl((dev)->sd_addr + AZX_REG_##reg))
+#define azx_sd_writew(chip, dev, reg, value) \
+	((chip)->ops->reg_writew(value, (dev)->sd_addr + AZX_REG_##reg))
+#define azx_sd_readw(chip, dev, reg) \
+	((chip)->ops->reg_readw((dev)->sd_addr + AZX_REG_##reg))
+#define azx_sd_writeb(chip, dev, reg, value) \
+	((chip)->ops->reg_writeb(value, (dev)->sd_addr + AZX_REG_##reg))
+#define azx_sd_readb(chip, dev, reg) \
+	((chip)->ops->reg_readb((dev)->sd_addr + AZX_REG_##reg))
+
+#endif /* __SOUND_HDA_PRIV_H */

sound/pci/hda/hda_proc.c

@@ -0,0 +1,871 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ * 
+ * Generic proc interface
+ *
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <linux/module.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+
+static int dump_coef = -1;
+module_param(dump_coef, int, 0644);
+MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)");
+
+static char *bits_names(unsigned int bits, char *names[], int size)
+{
+	int i, n;
+	static char buf[128];
+
+	for (i = 0, n = 0; i < size; i++) {
+		if (bits & (1U<<i) && names[i])
+			n += snprintf(buf + n, sizeof(buf) - n, " %s",
+				      names[i]);
+	}
+	buf[n] = '\0';
+
+	return buf;
+}
+
+static const char *get_wid_type_name(unsigned int wid_value)
+{
+	static char *names[16] = {
+		[AC_WID_AUD_OUT] = "Audio Output",
+		[AC_WID_AUD_IN] = "Audio Input",
+		[AC_WID_AUD_MIX] = "Audio Mixer",
+		[AC_WID_AUD_SEL] = "Audio Selector",
+		[AC_WID_PIN] = "Pin Complex",
+		[AC_WID_POWER] = "Power Widget",
+		[AC_WID_VOL_KNB] = "Volume Knob Widget",
+		[AC_WID_BEEP] = "Beep Generator Widget",
+		[AC_WID_VENDOR] = "Vendor Defined Widget",
+	};
+	if (wid_value == -1)
+		return "UNKNOWN Widget";
+	wid_value &= 0xf;
+	if (names[wid_value])
+		return names[wid_value];
+	else
+		return "UNKNOWN Widget";
+}
+
+static void print_nid_array(struct snd_info_buffer *buffer,
+			    struct hda_codec *codec, hda_nid_t nid,
+			    struct snd_array *array)
+{
+	int i;
+	struct hda_nid_item *items = array->list, *item;
+	struct snd_kcontrol *kctl;
+	for (i = 0; i < array->used; i++) {
+		item = &items[i];
+		if (item->nid == nid) {
+			kctl = item->kctl;
+			snd_iprintf(buffer,
+			  "  Control: name=\"%s\", index=%i, device=%i\n",
+			  kctl->id.name, kctl->id.index + item->index,
+			  kctl->id.device);
+			if (item->flags & HDA_NID_ITEM_AMP)
+				snd_iprintf(buffer,
+				  "    ControlAmp: chs=%lu, dir=%s, "
+				  "idx=%lu, ofs=%lu\n",
+				  get_amp_channels(kctl),
+				  get_amp_direction(kctl) ? "Out" : "In",
+				  get_amp_index(kctl),
+				  get_amp_offset(kctl));
+		}
+	}
+}
+
+static void print_nid_pcms(struct snd_info_buffer *buffer,
+			   struct hda_codec *codec, hda_nid_t nid)
+{
+	int pcm, type;
+	struct hda_pcm *cpcm;
+	for (pcm = 0; pcm < codec->num_pcms; pcm++) {
+		cpcm = &codec->pcm_info[pcm];
+		for (type = 0; type < 2; type++) {
+			if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
+				continue;
+			snd_iprintf(buffer, "  Device: name=\"%s\", "
+				    "type=\"%s\", device=%i\n",
+				    cpcm->name,
+				    snd_hda_pcm_type_name[cpcm->pcm_type],
+				    cpcm->pcm->device);
+		}
+	}
+}
+
+static void print_amp_caps(struct snd_info_buffer *buffer,
+			   struct hda_codec *codec, hda_nid_t nid, int dir)
+{
+	unsigned int caps;
+	caps = snd_hda_param_read(codec, nid,
+				  dir == HDA_OUTPUT ?
+				    AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
+	if (caps == -1 || caps == 0) {
+		snd_iprintf(buffer, "N/A\n");
+		return;
+	}
+	snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
+		    "mute=%x\n",
+		    caps & AC_AMPCAP_OFFSET,
+		    (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
+		    (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
+		    (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
+}
+
+/* is this a stereo widget or a stereo-to-mono mix? */
+static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid,
+			   int dir, unsigned int wcaps, int indices)
+{
+	hda_nid_t conn;
+
+	if (wcaps & AC_WCAP_STEREO)
+		return true;
+	/* check for a stereo-to-mono mix; it must be:
+	 * only a single connection, only for input, and only a mixer widget
+	 */
+	if (indices != 1 || dir != HDA_INPUT ||
+	    get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
+		return false;
+
+	if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0)
+		return false;
+	/* the connection source is a stereo? */
+	wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP);
+	return !!(wcaps & AC_WCAP_STEREO);
+}
+
+static void print_amp_vals(struct snd_info_buffer *buffer,
+			   struct hda_codec *codec, hda_nid_t nid,
+			   int dir, unsigned int wcaps, int indices)
+{
+	unsigned int val;
+	bool stereo;
+	int i;
+
+	stereo = is_stereo_amps(codec, nid, dir, wcaps, indices);
+
+	dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
+	for (i = 0; i < indices; i++) {
+		snd_iprintf(buffer, " [");
+		val = snd_hda_codec_read(codec, nid, 0,
+					 AC_VERB_GET_AMP_GAIN_MUTE,
+					 AC_AMP_GET_LEFT | dir | i);
+		snd_iprintf(buffer, "0x%02x", val);
+		if (stereo) {
+			val = snd_hda_codec_read(codec, nid, 0,
+						 AC_VERB_GET_AMP_GAIN_MUTE,
+						 AC_AMP_GET_RIGHT | dir | i);
+			snd_iprintf(buffer, " 0x%02x", val);
+		}
+		snd_iprintf(buffer, "]");
+	}
+	snd_iprintf(buffer, "\n");
+}
+
+static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
+{
+	static unsigned int rates[] = {
+		8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
+		96000, 176400, 192000, 384000
+	};
+	int i;
+
+	pcm &= AC_SUPPCM_RATES;
+	snd_iprintf(buffer, "    rates [0x%x]:", pcm);
+	for (i = 0; i < ARRAY_SIZE(rates); i++)
+		if (pcm & (1 << i))
+			snd_iprintf(buffer,  " %d", rates[i]);
+	snd_iprintf(buffer, "\n");
+}
+
+static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
+{
+	char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
+
+	snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
+	snd_print_pcm_bits(pcm, buf, sizeof(buf));
+	snd_iprintf(buffer, "%s\n", buf);
+}
+
+static void print_pcm_formats(struct snd_info_buffer *buffer,
+			      unsigned int streams)
+{
+	snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
+	if (streams & AC_SUPFMT_PCM)
+		snd_iprintf(buffer, " PCM");
+	if (streams & AC_SUPFMT_FLOAT32)
+		snd_iprintf(buffer, " FLOAT");
+	if (streams & AC_SUPFMT_AC3)
+		snd_iprintf(buffer, " AC3");
+	snd_iprintf(buffer, "\n");
+}
+
+static void print_pcm_caps(struct snd_info_buffer *buffer,
+			   struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
+	unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
+	if (pcm == -1 || stream == -1) {
+		snd_iprintf(buffer, "N/A\n");
+		return;
+	}
+	print_pcm_rates(buffer, pcm);
+	print_pcm_bits(buffer, pcm);
+	print_pcm_formats(buffer, stream);
+}
+
+static const char *get_jack_connection(u32 cfg)
+{
+	static char *names[16] = {
+		"Unknown", "1/8", "1/4", "ATAPI",
+		"RCA", "Optical","Digital", "Analog",
+		"DIN", "XLR", "RJ11", "Comb",
+		NULL, NULL, NULL, "Other"
+	};
+	cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
+	if (names[cfg])
+		return names[cfg];
+	else
+		return "UNKNOWN";
+}
+
+static const char *get_jack_color(u32 cfg)
+{
+	static char *names[16] = {
+		"Unknown", "Black", "Grey", "Blue",
+		"Green", "Red", "Orange", "Yellow",
+		"Purple", "Pink", NULL, NULL,
+		NULL, NULL, "White", "Other",
+	};
+	cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
+	if (names[cfg])
+		return names[cfg];
+	else
+		return "UNKNOWN";
+}
+
+static void print_pin_caps(struct snd_info_buffer *buffer,
+			   struct hda_codec *codec, hda_nid_t nid,
+			   int *supports_vref)
+{
+	static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
+	unsigned int caps, val;
+
+	caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+	snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
+	if (caps & AC_PINCAP_IN)
+		snd_iprintf(buffer, " IN");
+	if (caps & AC_PINCAP_OUT)
+		snd_iprintf(buffer, " OUT");
+	if (caps & AC_PINCAP_HP_DRV)
+		snd_iprintf(buffer, " HP");
+	if (caps & AC_PINCAP_EAPD)
+		snd_iprintf(buffer, " EAPD");
+	if (caps & AC_PINCAP_PRES_DETECT)
+		snd_iprintf(buffer, " Detect");
+	if (caps & AC_PINCAP_BALANCE)
+		snd_iprintf(buffer, " Balanced");
+	if (caps & AC_PINCAP_HDMI) {
+		/* Realtek uses this bit as a different meaning */
+		if ((codec->vendor_id >> 16) == 0x10ec)
+			snd_iprintf(buffer, " R/L");
+		else {
+			if (caps & AC_PINCAP_HBR)
+				snd_iprintf(buffer, " HBR");
+			snd_iprintf(buffer, " HDMI");
+		}
+	}
+	if (caps & AC_PINCAP_DP)
+		snd_iprintf(buffer, " DP");
+	if (caps & AC_PINCAP_TRIG_REQ)
+		snd_iprintf(buffer, " Trigger");
+	if (caps & AC_PINCAP_IMP_SENSE)
+		snd_iprintf(buffer, " ImpSense");
+	snd_iprintf(buffer, "\n");
+	if (caps & AC_PINCAP_VREF) {
+		unsigned int vref =
+			(caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
+		snd_iprintf(buffer, "    Vref caps:");
+		if (vref & AC_PINCAP_VREF_HIZ)
+			snd_iprintf(buffer, " HIZ");
+		if (vref & AC_PINCAP_VREF_50)
+			snd_iprintf(buffer, " 50");
+		if (vref & AC_PINCAP_VREF_GRD)
+			snd_iprintf(buffer, " GRD");
+		if (vref & AC_PINCAP_VREF_80)
+			snd_iprintf(buffer, " 80");
+		if (vref & AC_PINCAP_VREF_100)
+			snd_iprintf(buffer, " 100");
+		snd_iprintf(buffer, "\n");
+		*supports_vref = 1;
+	} else
+		*supports_vref = 0;
+	if (caps & AC_PINCAP_EAPD) {
+		val = snd_hda_codec_read(codec, nid, 0,
+					 AC_VERB_GET_EAPD_BTLENABLE, 0);
+		snd_iprintf(buffer, "  EAPD 0x%x:", val);
+		if (val & AC_EAPDBTL_BALANCED)
+			snd_iprintf(buffer, " BALANCED");
+		if (val & AC_EAPDBTL_EAPD)
+			snd_iprintf(buffer, " EAPD");
+		if (val & AC_EAPDBTL_LR_SWAP)
+			snd_iprintf(buffer, " R/L");
+		snd_iprintf(buffer, "\n");
+	}
+	caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
+	snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
+		    jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
+		    snd_hda_get_jack_type(caps),
+		    snd_hda_get_jack_connectivity(caps),
+		    snd_hda_get_jack_location(caps));
+	snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
+		    get_jack_connection(caps),
+		    get_jack_color(caps));
+	/* Default association and sequence values refer to default grouping
+	 * of pin complexes and their sequence within the group. This is used
+	 * for priority and resource allocation.
+	 */
+	snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
+		    (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
+		    caps & AC_DEFCFG_SEQUENCE);
+	if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
+	    AC_DEFCFG_MISC_NO_PRESENCE) {
+		/* Miscellaneous bit indicates external hardware does not
+		 * support presence detection even if the pin complex
+		 * indicates it is supported.
+		 */
+		snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
+	}
+}
+
+static void print_pin_ctls(struct snd_info_buffer *buffer,
+			   struct hda_codec *codec, hda_nid_t nid,
+			   int supports_vref)
+{
+	unsigned int pinctls;
+
+	pinctls = snd_hda_codec_read(codec, nid, 0,
+				     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+	snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
+	if (pinctls & AC_PINCTL_IN_EN)
+		snd_iprintf(buffer, " IN");
+	if (pinctls & AC_PINCTL_OUT_EN)
+		snd_iprintf(buffer, " OUT");
+	if (pinctls & AC_PINCTL_HP_EN)
+		snd_iprintf(buffer, " HP");
+	if (supports_vref) {
+		int vref = pinctls & AC_PINCTL_VREFEN;
+		switch (vref) {
+		case AC_PINCTL_VREF_HIZ:
+			snd_iprintf(buffer, " VREF_HIZ");
+			break;
+		case AC_PINCTL_VREF_50:
+			snd_iprintf(buffer, " VREF_50");
+			break;
+		case AC_PINCTL_VREF_GRD:
+			snd_iprintf(buffer, " VREF_GRD");
+			break;
+		case AC_PINCTL_VREF_80:
+			snd_iprintf(buffer, " VREF_80");
+			break;
+		case AC_PINCTL_VREF_100:
+			snd_iprintf(buffer, " VREF_100");
+			break;
+		}
+	}
+	snd_iprintf(buffer, "\n");
+}
+
+static void print_vol_knob(struct snd_info_buffer *buffer,
+			   struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int cap = snd_hda_param_read(codec, nid,
+					      AC_PAR_VOL_KNB_CAP);
+	snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
+		    (cap >> 7) & 1, cap & 0x7f);
+	cap = snd_hda_codec_read(codec, nid, 0,
+				 AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
+	snd_iprintf(buffer, "direct=%d, val=%d\n",
+		    (cap >> 7) & 1, cap & 0x7f);
+}
+
+static void print_audio_io(struct snd_info_buffer *buffer,
+			   struct hda_codec *codec, hda_nid_t nid,
+			   unsigned int wid_type)
+{
+	int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
+	snd_iprintf(buffer,
+		    "  Converter: stream=%d, channel=%d\n",
+		    (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
+		    conv & AC_CONV_CHANNEL);
+
+	if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
+		int sdi = snd_hda_codec_read(codec, nid, 0,
+					     AC_VERB_GET_SDI_SELECT, 0);
+		snd_iprintf(buffer, "  SDI-Select: %d\n",
+			    sdi & AC_SDI_SELECT);
+	}
+}
+
+static void print_digital_conv(struct snd_info_buffer *buffer,
+			       struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
+						AC_VERB_GET_DIGI_CONVERT_1, 0);
+	unsigned char digi2 = digi1 >> 8;
+	unsigned char digi3 = digi1 >> 16;
+
+	snd_iprintf(buffer, "  Digital:");
+	if (digi1 & AC_DIG1_ENABLE)
+		snd_iprintf(buffer, " Enabled");
+	if (digi1 & AC_DIG1_V)
+		snd_iprintf(buffer, " Validity");
+	if (digi1 & AC_DIG1_VCFG)
+		snd_iprintf(buffer, " ValidityCfg");
+	if (digi1 & AC_DIG1_EMPHASIS)
+		snd_iprintf(buffer, " Preemphasis");
+	if (digi1 & AC_DIG1_COPYRIGHT)
+		snd_iprintf(buffer, " Non-Copyright");
+	if (digi1 & AC_DIG1_NONAUDIO)
+		snd_iprintf(buffer, " Non-Audio");
+	if (digi1 & AC_DIG1_PROFESSIONAL)
+		snd_iprintf(buffer, " Pro");
+	if (digi1 & AC_DIG1_LEVEL)
+		snd_iprintf(buffer, " GenLevel");
+	if (digi3 & AC_DIG3_KAE)
+		snd_iprintf(buffer, " KAE");
+	snd_iprintf(buffer, "\n");
+	snd_iprintf(buffer, "  Digital category: 0x%x\n",
+		    digi2 & AC_DIG2_CC);
+	snd_iprintf(buffer, "  IEC Coding Type: 0x%x\n",
+			digi3 & AC_DIG3_ICT);
+}
+
+static const char *get_pwr_state(u32 state)
+{
+	static const char * const buf[] = {
+		"D0", "D1", "D2", "D3", "D3cold"
+	};
+	if (state < ARRAY_SIZE(buf))
+		return buf[state];
+	return "UNKNOWN";
+}
+
+static void print_power_state(struct snd_info_buffer *buffer,
+			      struct hda_codec *codec, hda_nid_t nid)
+{
+	static char *names[] = {
+		[ilog2(AC_PWRST_D0SUP)]		= "D0",
+		[ilog2(AC_PWRST_D1SUP)]		= "D1",
+		[ilog2(AC_PWRST_D2SUP)]		= "D2",
+		[ilog2(AC_PWRST_D3SUP)]		= "D3",
+		[ilog2(AC_PWRST_D3COLDSUP)]	= "D3cold",
+		[ilog2(AC_PWRST_S3D3COLDSUP)]	= "S3D3cold",
+		[ilog2(AC_PWRST_CLKSTOP)]	= "CLKSTOP",
+		[ilog2(AC_PWRST_EPSS)]		= "EPSS",
+	};
+
+	int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
+	int pwr = snd_hda_codec_read(codec, nid, 0,
+				     AC_VERB_GET_POWER_STATE, 0);
+	if (sup != -1)
+		snd_iprintf(buffer, "  Power states: %s\n",
+			    bits_names(sup, names, ARRAY_SIZE(names)));
+
+	snd_iprintf(buffer, "  Power: setting=%s, actual=%s",
+		    get_pwr_state(pwr & AC_PWRST_SETTING),
+		    get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
+				  AC_PWRST_ACTUAL_SHIFT));
+	if (pwr & AC_PWRST_ERROR)
+		snd_iprintf(buffer, ", Error");
+	if (pwr & AC_PWRST_CLK_STOP_OK)
+		snd_iprintf(buffer, ", Clock-stop-OK");
+	if (pwr & AC_PWRST_SETTING_RESET)
+		snd_iprintf(buffer, ", Setting-reset");
+	snd_iprintf(buffer, "\n");
+}
+
+static void print_unsol_cap(struct snd_info_buffer *buffer,
+			      struct hda_codec *codec, hda_nid_t nid)
+{
+	int unsol = snd_hda_codec_read(codec, nid, 0,
+				       AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
+	snd_iprintf(buffer,
+		    "  Unsolicited: tag=%02x, enabled=%d\n",
+		    unsol & AC_UNSOL_TAG,
+		    (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
+}
+
+static inline bool can_dump_coef(struct hda_codec *codec)
+{
+	switch (dump_coef) {
+	case 0: return false;
+	case 1: return true;
+	default: return codec->dump_coef;
+	}
+}
+
+static void print_proc_caps(struct snd_info_buffer *buffer,
+			    struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int i, ncoeff, oldindex;
+	unsigned int proc_caps = snd_hda_param_read(codec, nid,
+						    AC_PAR_PROC_CAP);
+	ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
+	snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
+		    proc_caps & AC_PCAP_BENIGN, ncoeff);
+
+	if (!can_dump_coef(codec))
+		return;
+
+	/* Note: This is racy - another process could run in parallel and change
+	   the coef index too. */
+	oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0);
+	for (i = 0; i < ncoeff; i++) {
+		unsigned int val;
+		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i);
+		val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF,
+					 0);
+		snd_iprintf(buffer, "    Coeff 0x%02x: 0x%04x\n", i, val);
+	}
+	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex);
+}
+
+static void print_conn_list(struct snd_info_buffer *buffer,
+			    struct hda_codec *codec, hda_nid_t nid,
+			    unsigned int wid_type, hda_nid_t *conn,
+			    int conn_len)
+{
+	int c, curr = -1;
+	const hda_nid_t *list;
+	int cache_len;
+
+	if (conn_len > 1 &&
+	    wid_type != AC_WID_AUD_MIX &&
+	    wid_type != AC_WID_VOL_KNB &&
+	    wid_type != AC_WID_POWER)
+		curr = snd_hda_codec_read(codec, nid, 0,
+					  AC_VERB_GET_CONNECT_SEL, 0);
+	snd_iprintf(buffer, "  Connection: %d\n", conn_len);
+	if (conn_len > 0) {
+		snd_iprintf(buffer, "    ");
+		for (c = 0; c < conn_len; c++) {
+			snd_iprintf(buffer, " 0x%02x", conn[c]);
+			if (c == curr)
+				snd_iprintf(buffer, "*");
+		}
+		snd_iprintf(buffer, "\n");
+	}
+
+	/* Get Cache connections info */
+	cache_len = snd_hda_get_conn_list(codec, nid, &list);
+	if (cache_len != conn_len
+			|| memcmp(list, conn, conn_len)) {
+		snd_iprintf(buffer, "  In-driver Connection: %d\n", cache_len);
+		if (cache_len > 0) {
+			snd_iprintf(buffer, "    ");
+			for (c = 0; c < cache_len; c++)
+				snd_iprintf(buffer, " 0x%02x", list[c]);
+			snd_iprintf(buffer, "\n");
+		}
+	}
+}
+
+static void print_gpio(struct snd_info_buffer *buffer,
+		       struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int gpio =
+		snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
+	unsigned int enable, direction, wake, unsol, sticky, data;
+	int i, max;
+	snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
+		    "unsolicited=%d, wake=%d\n",
+		    gpio & AC_GPIO_IO_COUNT,
+		    (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
+		    (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
+		    (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
+		    (gpio & AC_GPIO_WAKE) ? 1 : 0);
+	max = gpio & AC_GPIO_IO_COUNT;
+	if (!max || max > 8)
+		return;
+	enable = snd_hda_codec_read(codec, nid, 0,
+				    AC_VERB_GET_GPIO_MASK, 0);
+	direction = snd_hda_codec_read(codec, nid, 0,
+				       AC_VERB_GET_GPIO_DIRECTION, 0);
+	wake = snd_hda_codec_read(codec, nid, 0,
+				  AC_VERB_GET_GPIO_WAKE_MASK, 0);
+	unsol  = snd_hda_codec_read(codec, nid, 0,
+				    AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
+	sticky = snd_hda_codec_read(codec, nid, 0,
+				    AC_VERB_GET_GPIO_STICKY_MASK, 0);
+	data = snd_hda_codec_read(codec, nid, 0,
+				  AC_VERB_GET_GPIO_DATA, 0);
+	for (i = 0; i < max; ++i)
+		snd_iprintf(buffer,
+			    "  IO[%d]: enable=%d, dir=%d, wake=%d, "
+			    "sticky=%d, data=%d, unsol=%d\n", i,
+			    (enable & (1<<i)) ? 1 : 0,
+			    (direction & (1<<i)) ? 1 : 0,
+			    (wake & (1<<i)) ? 1 : 0,
+			    (sticky & (1<<i)) ? 1 : 0,
+			    (data & (1<<i)) ? 1 : 0,
+			    (unsol & (1<<i)) ? 1 : 0);
+	/* FIXME: add GPO and GPI pin information */
+	print_nid_array(buffer, codec, nid, &codec->mixers);
+	print_nid_array(buffer, codec, nid, &codec->nids);
+}
+
+static void print_device_list(struct snd_info_buffer *buffer,
+			    struct hda_codec *codec, hda_nid_t nid)
+{
+	int i, curr = -1;
+	u8 dev_list[AC_MAX_DEV_LIST_LEN];
+	int devlist_len;
+
+	devlist_len = snd_hda_get_devices(codec, nid, dev_list,
+					AC_MAX_DEV_LIST_LEN);
+	snd_iprintf(buffer, "  Devices: %d\n", devlist_len);
+	if (devlist_len <= 0)
+		return;
+
+	curr = snd_hda_codec_read(codec, nid, 0,
+				AC_VERB_GET_DEVICE_SEL, 0);
+
+	for (i = 0; i < devlist_len; i++) {
+		if (i == curr)
+			snd_iprintf(buffer, "    *");
+		else
+			snd_iprintf(buffer, "     ");
+
+		snd_iprintf(buffer,
+			"Dev %02d: PD = %d, ELDV = %d, IA = %d\n", i,
+			!!(dev_list[i] & AC_DE_PD),
+			!!(dev_list[i] & AC_DE_ELDV),
+			!!(dev_list[i] & AC_DE_IA));
+	}
+}
+
+static void print_codec_info(struct snd_info_entry *entry,
+			     struct snd_info_buffer *buffer)
+{
+	struct hda_codec *codec = entry->private_data;
+	hda_nid_t nid;
+	int i, nodes;
+
+	snd_iprintf(buffer, "Codec: ");
+	if (codec->vendor_name && codec->chip_name)
+		snd_iprintf(buffer, "%s %s\n",
+			    codec->vendor_name, codec->chip_name);
+	else
+		snd_iprintf(buffer, "Not Set\n");
+	snd_iprintf(buffer, "Address: %d\n", codec->addr);
+	if (codec->afg)
+		snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
+			codec->afg_function_id, codec->afg_unsol);
+	if (codec->mfg)
+		snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
+			codec->mfg_function_id, codec->mfg_unsol);
+	snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
+	snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
+	snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
+
+	if (codec->mfg)
+		snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
+	else
+		snd_iprintf(buffer, "No Modem Function Group found\n");
+
+	if (! codec->afg)
+		return;
+	snd_hda_power_up(codec);
+	snd_iprintf(buffer, "Default PCM:\n");
+	print_pcm_caps(buffer, codec, codec->afg);
+	snd_iprintf(buffer, "Default Amp-In caps: ");
+	print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
+	snd_iprintf(buffer, "Default Amp-Out caps: ");
+	print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
+	snd_iprintf(buffer, "State of AFG node 0x%02x:\n", codec->afg);
+	print_power_state(buffer, codec, codec->afg);
+
+	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
+	if (! nid || nodes < 0) {
+		snd_iprintf(buffer, "Invalid AFG subtree\n");
+		snd_hda_power_down(codec);
+		return;
+	}
+
+	print_gpio(buffer, codec, codec->afg);
+	if (codec->proc_widget_hook)
+		codec->proc_widget_hook(buffer, codec, codec->afg);
+
+	for (i = 0; i < nodes; i++, nid++) {
+		unsigned int wid_caps =
+			snd_hda_param_read(codec, nid,
+					   AC_PAR_AUDIO_WIDGET_CAP);
+		unsigned int wid_type = get_wcaps_type(wid_caps);
+		hda_nid_t *conn = NULL;
+		int conn_len = 0;
+
+		snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
+			    get_wid_type_name(wid_type), wid_caps);
+		if (wid_caps & AC_WCAP_STEREO) {
+			unsigned int chans = get_wcaps_channels(wid_caps);
+			if (chans == 2)
+				snd_iprintf(buffer, " Stereo");
+			else
+				snd_iprintf(buffer, " %d-Channels", chans);
+		} else
+			snd_iprintf(buffer, " Mono");
+		if (wid_caps & AC_WCAP_DIGITAL)
+			snd_iprintf(buffer, " Digital");
+		if (wid_caps & AC_WCAP_IN_AMP)
+			snd_iprintf(buffer, " Amp-In");
+		if (wid_caps & AC_WCAP_OUT_AMP)
+			snd_iprintf(buffer, " Amp-Out");
+		if (wid_caps & AC_WCAP_STRIPE)
+			snd_iprintf(buffer, " Stripe");
+		if (wid_caps & AC_WCAP_LR_SWAP)
+			snd_iprintf(buffer, " R/L");
+		if (wid_caps & AC_WCAP_CP_CAPS)
+			snd_iprintf(buffer, " CP");
+		snd_iprintf(buffer, "\n");
+
+		print_nid_array(buffer, codec, nid, &codec->mixers);
+		print_nid_array(buffer, codec, nid, &codec->nids);
+		print_nid_pcms(buffer, codec, nid);
+
+		/* volume knob is a special widget that always have connection
+		 * list
+		 */
+		if (wid_type == AC_WID_VOL_KNB)
+			wid_caps |= AC_WCAP_CONN_LIST;
+
+		if (wid_caps & AC_WCAP_CONN_LIST) {
+			conn_len = snd_hda_get_num_raw_conns(codec, nid);
+			if (conn_len > 0) {
+				conn = kmalloc(sizeof(hda_nid_t) * conn_len,
+					       GFP_KERNEL);
+				if (!conn)
+					return;
+				if (snd_hda_get_raw_connections(codec, nid, conn,
+								conn_len) < 0)
+					conn_len = 0;
+			}
+		}
+
+		if (wid_caps & AC_WCAP_IN_AMP) {
+			snd_iprintf(buffer, "  Amp-In caps: ");
+			print_amp_caps(buffer, codec, nid, HDA_INPUT);
+			snd_iprintf(buffer, "  Amp-In vals: ");
+			if (wid_type == AC_WID_PIN ||
+			    (codec->single_adc_amp &&
+			     wid_type == AC_WID_AUD_IN))
+				print_amp_vals(buffer, codec, nid, HDA_INPUT,
+					       wid_caps, 1);
+			else
+				print_amp_vals(buffer, codec, nid, HDA_INPUT,
+					       wid_caps, conn_len);
+		}
+		if (wid_caps & AC_WCAP_OUT_AMP) {
+			snd_iprintf(buffer, "  Amp-Out caps: ");
+			print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
+			snd_iprintf(buffer, "  Amp-Out vals: ");
+			if (wid_type == AC_WID_PIN &&
+			    codec->pin_amp_workaround)
+				print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
+					       wid_caps, conn_len);
+			else
+				print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
+					       wid_caps, 1);
+		}
+
+		switch (wid_type) {
+		case AC_WID_PIN: {
+			int supports_vref;
+			print_pin_caps(buffer, codec, nid, &supports_vref);
+			print_pin_ctls(buffer, codec, nid, supports_vref);
+			break;
+		}
+		case AC_WID_VOL_KNB:
+			print_vol_knob(buffer, codec, nid);
+			break;
+		case AC_WID_AUD_OUT:
+		case AC_WID_AUD_IN:
+			print_audio_io(buffer, codec, nid, wid_type);
+			if (wid_caps & AC_WCAP_DIGITAL)
+				print_digital_conv(buffer, codec, nid);
+			if (wid_caps & AC_WCAP_FORMAT_OVRD) {
+				snd_iprintf(buffer, "  PCM:\n");
+				print_pcm_caps(buffer, codec, nid);
+			}
+			break;
+		}
+
+		if (wid_caps & AC_WCAP_UNSOL_CAP)
+			print_unsol_cap(buffer, codec, nid);
+
+		if (wid_caps & AC_WCAP_POWER)
+			print_power_state(buffer, codec, nid);
+
+		if (wid_caps & AC_WCAP_DELAY)
+			snd_iprintf(buffer, "  Delay: %d samples\n",
+				    (wid_caps & AC_WCAP_DELAY) >>
+				    AC_WCAP_DELAY_SHIFT);
+
+		if (wid_type == AC_WID_PIN && codec->dp_mst)
+			print_device_list(buffer, codec, nid);
+
+		if (wid_caps & AC_WCAP_CONN_LIST)
+			print_conn_list(buffer, codec, nid, wid_type,
+					conn, conn_len);
+
+		if (wid_caps & AC_WCAP_PROC_WID)
+			print_proc_caps(buffer, codec, nid);
+
+		if (codec->proc_widget_hook)
+			codec->proc_widget_hook(buffer, codec, nid);
+
+		kfree(conn);
+	}
+	snd_hda_power_down(codec);
+}
+
+/*
+ * create a proc read
+ */
+int snd_hda_codec_proc_new(struct hda_codec *codec)
+{
+	char name[32];
+	struct snd_info_entry *entry;
+	int err;
+
+	snprintf(name, sizeof(name), "codec#%d", codec->addr);
+	err = snd_card_proc_new(codec->bus->card, name, &entry);
+	if (err < 0)
+		return err;
+
+	snd_info_set_text_ops(entry, codec, print_codec_info);
+	return 0;
+}
+

sound/pci/hda/hda_sysfs.c

@@ -0,0 +1,780 @@
+/*
+ * sysfs interface for HD-audio codec
+ *
+ * Copyright (c) 2014 Takashi Iwai <tiwai@suse.de>
+ *
+ * split from hda_hwdep.c
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/compat.h>
+#include <linux/mutex.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/export.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+#include <sound/hda_hwdep.h>
+#include <sound/minors.h>
+
+/* hint string pair */
+struct hda_hint {
+	const char *key;
+	const char *val;	/* contained in the same alloc as key */
+};
+
+#ifdef CONFIG_PM
+static ssize_t power_on_acct_show(struct device *dev,
+				  struct device_attribute *attr,
+				  char *buf)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	snd_hda_update_power_acct(codec);
+	return sprintf(buf, "%u\n", jiffies_to_msecs(codec->power_on_acct));
+}
+
+static ssize_t power_off_acct_show(struct device *dev,
+				   struct device_attribute *attr,
+				   char *buf)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	snd_hda_update_power_acct(codec);
+	return sprintf(buf, "%u\n", jiffies_to_msecs(codec->power_off_acct));
+}
+
+static DEVICE_ATTR_RO(power_on_acct);
+static DEVICE_ATTR_RO(power_off_acct);
+#endif /* CONFIG_PM */
+
+#define CODEC_INFO_SHOW(type)					\
+static ssize_t type##_show(struct device *dev,			\
+			   struct device_attribute *attr,	\
+			   char *buf)				\
+{								\
+	struct hda_codec *codec = dev_get_drvdata(dev);		\
+	return sprintf(buf, "0x%x\n", codec->type);		\
+}
+
+#define CODEC_INFO_STR_SHOW(type)				\
+static ssize_t type##_show(struct device *dev,			\
+			     struct device_attribute *attr,	\
+					char *buf)		\
+{								\
+	struct hda_codec *codec = dev_get_drvdata(dev);		\
+	return sprintf(buf, "%s\n",				\
+		       codec->type ? codec->type : "");		\
+}
+
+CODEC_INFO_SHOW(vendor_id);
+CODEC_INFO_SHOW(subsystem_id);
+CODEC_INFO_SHOW(revision_id);
+CODEC_INFO_SHOW(afg);
+CODEC_INFO_SHOW(mfg);
+CODEC_INFO_STR_SHOW(vendor_name);
+CODEC_INFO_STR_SHOW(chip_name);
+CODEC_INFO_STR_SHOW(modelname);
+
+static ssize_t pin_configs_show(struct hda_codec *codec,
+				struct snd_array *list,
+				char *buf)
+{
+	int i, len = 0;
+	mutex_lock(&codec->user_mutex);
+	for (i = 0; i < list->used; i++) {
+		struct hda_pincfg *pin = snd_array_elem(list, i);
+		len += sprintf(buf + len, "0x%02x 0x%08x\n",
+			       pin->nid, pin->cfg);
+	}
+	mutex_unlock(&codec->user_mutex);
+	return len;
+}
+
+static ssize_t init_pin_configs_show(struct device *dev,
+				     struct device_attribute *attr,
+				     char *buf)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	return pin_configs_show(codec, &codec->init_pins, buf);
+}
+
+static ssize_t driver_pin_configs_show(struct device *dev,
+				       struct device_attribute *attr,
+				       char *buf)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	return pin_configs_show(codec, &codec->driver_pins, buf);
+}
+
+#ifdef CONFIG_SND_HDA_RECONFIG
+
+/*
+ * sysfs interface
+ */
+
+static int clear_codec(struct hda_codec *codec)
+{
+	int err;
+
+	err = snd_hda_codec_reset(codec);
+	if (err < 0) {
+		codec_err(codec, "The codec is being used, can't free.\n");
+		return err;
+	}
+	snd_hda_sysfs_clear(codec);
+	return 0;
+}
+
+static int reconfig_codec(struct hda_codec *codec)
+{
+	int err;
+
+	snd_hda_power_up(codec);
+	codec_info(codec, "hda-codec: reconfiguring\n");
+	err = snd_hda_codec_reset(codec);
+	if (err < 0) {
+		codec_err(codec,
+			   "The codec is being used, can't reconfigure.\n");
+		goto error;
+	}
+	err = snd_hda_codec_configure(codec);
+	if (err < 0)
+		goto error;
+	/* rebuild PCMs */
+	err = snd_hda_codec_build_pcms(codec);
+	if (err < 0)
+		goto error;
+	/* rebuild mixers */
+	err = snd_hda_codec_build_controls(codec);
+	if (err < 0)
+		goto error;
+	err = snd_card_register(codec->bus->card);
+ error:
+	snd_hda_power_down(codec);
+	return err;
+}
+
+/*
+ * allocate a string at most len chars, and remove the trailing EOL
+ */
+static char *kstrndup_noeol(const char *src, size_t len)
+{
+	char *s = kstrndup(src, len, GFP_KERNEL);
+	char *p;
+	if (!s)
+		return NULL;
+	p = strchr(s, '\n');
+	if (p)
+		*p = 0;
+	return s;
+}
+
+#define CODEC_INFO_STORE(type)					\
+static ssize_t type##_store(struct device *dev,			\
+			    struct device_attribute *attr,	\
+			    const char *buf, size_t count)	\
+{								\
+	struct hda_codec *codec = dev_get_drvdata(dev);		\
+	unsigned long val;					\
+	int err = kstrtoul(buf, 0, &val);			\
+	if (err < 0)						\
+		return err;					\
+	codec->type = val;					\
+	return count;						\
+}
+
+#define CODEC_INFO_STR_STORE(type)				\
+static ssize_t type##_store(struct device *dev,			\
+			    struct device_attribute *attr,	\
+			    const char *buf, size_t count)	\
+{								\
+	struct hda_codec *codec = dev_get_drvdata(dev);		\
+	char *s = kstrndup_noeol(buf, 64);			\
+	if (!s)							\
+		return -ENOMEM;					\
+	kfree(codec->type);					\
+	codec->type = s;					\
+	return count;						\
+}
+
+CODEC_INFO_STORE(vendor_id);
+CODEC_INFO_STORE(subsystem_id);
+CODEC_INFO_STORE(revision_id);
+CODEC_INFO_STR_STORE(vendor_name);
+CODEC_INFO_STR_STORE(chip_name);
+CODEC_INFO_STR_STORE(modelname);
+
+#define CODEC_ACTION_STORE(type)				\
+static ssize_t type##_store(struct device *dev,			\
+			    struct device_attribute *attr,	\
+			    const char *buf, size_t count)	\
+{								\
+	struct hda_codec *codec = dev_get_drvdata(dev);		\
+	int err = 0;						\
+	if (*buf)						\
+		err = type##_codec(codec);			\
+	return err < 0 ? err : count;				\
+}
+
+CODEC_ACTION_STORE(reconfig);
+CODEC_ACTION_STORE(clear);
+
+static ssize_t init_verbs_show(struct device *dev,
+			       struct device_attribute *attr,
+			       char *buf)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	int i, len = 0;
+	mutex_lock(&codec->user_mutex);
+	for (i = 0; i < codec->init_verbs.used; i++) {
+		struct hda_verb *v = snd_array_elem(&codec->init_verbs, i);
+		len += snprintf(buf + len, PAGE_SIZE - len,
+				"0x%02x 0x%03x 0x%04x\n",
+				v->nid, v->verb, v->param);
+	}
+	mutex_unlock(&codec->user_mutex);
+	return len;
+}
+
+static int parse_init_verbs(struct hda_codec *codec, const char *buf)
+{
+	struct hda_verb *v;
+	int nid, verb, param;
+
+	if (sscanf(buf, "%i %i %i", &nid, &verb, &param) != 3)
+		return -EINVAL;
+	if (!nid || !verb)
+		return -EINVAL;
+	mutex_lock(&codec->user_mutex);
+	v = snd_array_new(&codec->init_verbs);
+	if (!v) {
+		mutex_unlock(&codec->user_mutex);
+		return -ENOMEM;
+	}
+	v->nid = nid;
+	v->verb = verb;
+	v->param = param;
+	mutex_unlock(&codec->user_mutex);
+	return 0;
+}
+
+static ssize_t init_verbs_store(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t count)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	int err = parse_init_verbs(codec, buf);
+	if (err < 0)
+		return err;
+	return count;
+}
+
+static ssize_t hints_show(struct device *dev,
+			  struct device_attribute *attr,
+			  char *buf)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	int i, len = 0;
+	mutex_lock(&codec->user_mutex);
+	for (i = 0; i < codec->hints.used; i++) {
+		struct hda_hint *hint = snd_array_elem(&codec->hints, i);
+		len += snprintf(buf + len, PAGE_SIZE - len,
+				"%s = %s\n", hint->key, hint->val);
+	}
+	mutex_unlock(&codec->user_mutex);
+	return len;
+}
+
+static struct hda_hint *get_hint(struct hda_codec *codec, const char *key)
+{
+	int i;
+
+	for (i = 0; i < codec->hints.used; i++) {
+		struct hda_hint *hint = snd_array_elem(&codec->hints, i);
+		if (!strcmp(hint->key, key))
+			return hint;
+	}
+	return NULL;
+}
+
+static void remove_trail_spaces(char *str)
+{
+	char *p;
+	if (!*str)
+		return;
+	p = str + strlen(str) - 1;
+	for (; isspace(*p); p--) {
+		*p = 0;
+		if (p == str)
+			return;
+	}
+}
+
+#define MAX_HINTS	1024
+
+static int parse_hints(struct hda_codec *codec, const char *buf)
+{
+	char *key, *val;
+	struct hda_hint *hint;
+	int err = 0;
+
+	buf = skip_spaces(buf);
+	if (!*buf || *buf == '#' || *buf == '\n')
+		return 0;
+	if (*buf == '=')
+		return -EINVAL;
+	key = kstrndup_noeol(buf, 1024);
+	if (!key)
+		return -ENOMEM;
+	/* extract key and val */
+	val = strchr(key, '=');
+	if (!val) {
+		kfree(key);
+		return -EINVAL;
+	}
+	*val++ = 0;
+	val = skip_spaces(val);
+	remove_trail_spaces(key);
+	remove_trail_spaces(val);
+	mutex_lock(&codec->user_mutex);
+	hint = get_hint(codec, key);
+	if (hint) {
+		/* replace */
+		kfree(hint->key);
+		hint->key = key;
+		hint->val = val;
+		goto unlock;
+	}
+	/* allocate a new hint entry */
+	if (codec->hints.used >= MAX_HINTS)
+		hint = NULL;
+	else
+		hint = snd_array_new(&codec->hints);
+	if (hint) {
+		hint->key = key;
+		hint->val = val;
+	} else {
+		err = -ENOMEM;
+	}
+ unlock:
+	mutex_unlock(&codec->user_mutex);
+	if (err)
+		kfree(key);
+	return err;
+}
+
+static ssize_t hints_store(struct device *dev,
+			   struct device_attribute *attr,
+			   const char *buf, size_t count)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	int err = parse_hints(codec, buf);
+	if (err < 0)
+		return err;
+	return count;
+}
+
+static ssize_t user_pin_configs_show(struct device *dev,
+				     struct device_attribute *attr,
+				     char *buf)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	return pin_configs_show(codec, &codec->user_pins, buf);
+}
+
+#define MAX_PIN_CONFIGS		32
+
+static int parse_user_pin_configs(struct hda_codec *codec, const char *buf)
+{
+	int nid, cfg, err;
+
+	if (sscanf(buf, "%i %i", &nid, &cfg) != 2)
+		return -EINVAL;
+	if (!nid)
+		return -EINVAL;
+	mutex_lock(&codec->user_mutex);
+	err = snd_hda_add_pincfg(codec, &codec->user_pins, nid, cfg);
+	mutex_unlock(&codec->user_mutex);
+	return err;
+}
+
+static ssize_t user_pin_configs_store(struct device *dev,
+				      struct device_attribute *attr,
+				      const char *buf, size_t count)
+{
+	struct hda_codec *codec = dev_get_drvdata(dev);
+	int err = parse_user_pin_configs(codec, buf);
+	if (err < 0)
+		return err;
+	return count;
+}
+
+/* sysfs attributes exposed only when CONFIG_SND_HDA_RECONFIG=y */
+static DEVICE_ATTR_RW(init_verbs);
+static DEVICE_ATTR_RW(hints);
+static DEVICE_ATTR_RW(user_pin_configs);
+static DEVICE_ATTR_WO(reconfig);
+static DEVICE_ATTR_WO(clear);
+
+/*
+ * Look for hint string
+ */
+const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
+{
+	struct hda_hint *hint = get_hint(codec, key);
+	return hint ? hint->val : NULL;
+}
+EXPORT_SYMBOL_GPL(snd_hda_get_hint);
+
+int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
+{
+	const char *p;
+	int ret;
+
+	mutex_lock(&codec->user_mutex);
+	p = snd_hda_get_hint(codec, key);
+	if (!p || !*p)
+		ret = -ENOENT;
+	else {
+		switch (toupper(*p)) {
+		case 'T': /* true */
+		case 'Y': /* yes */
+		case '1':
+			ret = 1;
+			break;
+		default:
+			ret = 0;
+			break;
+		}
+	}
+	mutex_unlock(&codec->user_mutex);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(snd_hda_get_bool_hint);
+
+int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
+{
+	const char *p;
+	unsigned long val;
+	int ret;
+
+	mutex_lock(&codec->user_mutex);
+	p = snd_hda_get_hint(codec, key);
+	if (!p)
+		ret = -ENOENT;
+	else if (kstrtoul(p, 0, &val))
+		ret = -EINVAL;
+	else {
+		*valp = val;
+		ret = 0;
+	}
+	mutex_unlock(&codec->user_mutex);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(snd_hda_get_int_hint);
+#endif /* CONFIG_SND_HDA_RECONFIG */
+
+/*
+ * common sysfs attributes
+ */
+#ifdef CONFIG_SND_HDA_RECONFIG
+#define RECONFIG_DEVICE_ATTR(name)	DEVICE_ATTR_RW(name)
+#else
+#define RECONFIG_DEVICE_ATTR(name)	DEVICE_ATTR_RO(name)
+#endif
+static RECONFIG_DEVICE_ATTR(vendor_id);
+static RECONFIG_DEVICE_ATTR(subsystem_id);
+static RECONFIG_DEVICE_ATTR(revision_id);
+static DEVICE_ATTR_RO(afg);
+static DEVICE_ATTR_RO(mfg);
+static RECONFIG_DEVICE_ATTR(vendor_name);
+static RECONFIG_DEVICE_ATTR(chip_name);
+static RECONFIG_DEVICE_ATTR(modelname);
+static DEVICE_ATTR_RO(init_pin_configs);
+static DEVICE_ATTR_RO(driver_pin_configs);
+
+
+#ifdef CONFIG_SND_HDA_PATCH_LOADER
+
+/* parser mode */
+enum {
+	LINE_MODE_NONE,
+	LINE_MODE_CODEC,
+	LINE_MODE_MODEL,
+	LINE_MODE_PINCFG,
+	LINE_MODE_VERB,
+	LINE_MODE_HINT,
+	LINE_MODE_VENDOR_ID,
+	LINE_MODE_SUBSYSTEM_ID,
+	LINE_MODE_REVISION_ID,
+	LINE_MODE_CHIP_NAME,
+	NUM_LINE_MODES,
+};
+
+static inline int strmatch(const char *a, const char *b)
+{
+	return strncasecmp(a, b, strlen(b)) == 0;
+}
+
+/* parse the contents after the line "[codec]"
+ * accept only the line with three numbers, and assign the current codec
+ */
+static void parse_codec_mode(char *buf, struct hda_bus *bus,
+			     struct hda_codec **codecp)
+{
+	int vendorid, subid, caddr;
+	struct hda_codec *codec;
+
+	*codecp = NULL;
+	if (sscanf(buf, "%i %i %i", &vendorid, &subid, &caddr) == 3) {
+		list_for_each_entry(codec, &bus->codec_list, list) {
+			if ((vendorid <= 0 || codec->vendor_id == vendorid) &&
+			    (subid <= 0 || codec->subsystem_id == subid) &&
+			    codec->addr == caddr) {
+				*codecp = codec;
+				break;
+			}
+		}
+	}
+}
+
+/* parse the contents after the other command tags, [pincfg], [verb],
+ * [vendor_id], [subsystem_id], [revision_id], [chip_name], [hint] and [model]
+ * just pass to the sysfs helper (only when any codec was specified)
+ */
+static void parse_pincfg_mode(char *buf, struct hda_bus *bus,
+			      struct hda_codec **codecp)
+{
+	parse_user_pin_configs(*codecp, buf);
+}
+
+static void parse_verb_mode(char *buf, struct hda_bus *bus,
+			    struct hda_codec **codecp)
+{
+	parse_init_verbs(*codecp, buf);
+}
+
+static void parse_hint_mode(char *buf, struct hda_bus *bus,
+			    struct hda_codec **codecp)
+{
+	parse_hints(*codecp, buf);
+}
+
+static void parse_model_mode(char *buf, struct hda_bus *bus,
+			     struct hda_codec **codecp)
+{
+	kfree((*codecp)->modelname);
+	(*codecp)->modelname = kstrdup(buf, GFP_KERNEL);
+}
+
+static void parse_chip_name_mode(char *buf, struct hda_bus *bus,
+				 struct hda_codec **codecp)
+{
+	kfree((*codecp)->chip_name);
+	(*codecp)->chip_name = kstrdup(buf, GFP_KERNEL);
+}
+
+#define DEFINE_PARSE_ID_MODE(name) \
+static void parse_##name##_mode(char *buf, struct hda_bus *bus, \
+				 struct hda_codec **codecp) \
+{ \
+	unsigned long val; \
+	if (!kstrtoul(buf, 0, &val)) \
+		(*codecp)->name = val; \
+}
+
+DEFINE_PARSE_ID_MODE(vendor_id);
+DEFINE_PARSE_ID_MODE(subsystem_id);
+DEFINE_PARSE_ID_MODE(revision_id);
+
+
+struct hda_patch_item {
+	const char *tag;
+	const char *alias;
+	void (*parser)(char *buf, struct hda_bus *bus, struct hda_codec **retc);
+};
+
+static struct hda_patch_item patch_items[NUM_LINE_MODES] = {
+	[LINE_MODE_CODEC] = {
+		.tag = "[codec]",
+		.parser = parse_codec_mode,
+	},
+	[LINE_MODE_MODEL] = {
+		.tag = "[model]",
+		.parser = parse_model_mode,
+	},
+	[LINE_MODE_VERB] = {
+		.tag = "[verb]",
+		.alias = "[init_verbs]",
+		.parser = parse_verb_mode,
+	},
+	[LINE_MODE_PINCFG] = {
+		.tag = "[pincfg]",
+		.alias = "[user_pin_configs]",
+		.parser = parse_pincfg_mode,
+	},
+	[LINE_MODE_HINT] = {
+		.tag = "[hint]",
+		.alias = "[hints]",
+		.parser = parse_hint_mode
+	},
+	[LINE_MODE_VENDOR_ID] = {
+		.tag = "[vendor_id]",
+		.parser = parse_vendor_id_mode,
+	},
+	[LINE_MODE_SUBSYSTEM_ID] = {
+		.tag = "[subsystem_id]",
+		.parser = parse_subsystem_id_mode,
+	},
+	[LINE_MODE_REVISION_ID] = {
+		.tag = "[revision_id]",
+		.parser = parse_revision_id_mode,
+	},
+	[LINE_MODE_CHIP_NAME] = {
+		.tag = "[chip_name]",
+		.parser = parse_chip_name_mode,
+	},
+};
+
+/* check the line starting with '[' -- change the parser mode accodingly */
+static int parse_line_mode(char *buf, struct hda_bus *bus)
+{
+	int i;
+	for (i = 0; i < ARRAY_SIZE(patch_items); i++) {
+		if (!patch_items[i].tag)
+			continue;
+		if (strmatch(buf, patch_items[i].tag))
+			return i;
+		if (patch_items[i].alias && strmatch(buf, patch_items[i].alias))
+			return i;
+	}
+	return LINE_MODE_NONE;
+}
+
+/* copy one line from the buffer in fw, and update the fields in fw
+ * return zero if it reaches to the end of the buffer, or non-zero
+ * if successfully copied a line
+ *
+ * the spaces at the beginning and the end of the line are stripped
+ */
+static int get_line_from_fw(char *buf, int size, size_t *fw_size_p,
+			    const void **fw_data_p)
+{
+	int len;
+	size_t fw_size = *fw_size_p;
+	const char *p = *fw_data_p;
+
+	while (isspace(*p) && fw_size) {
+		p++;
+		fw_size--;
+	}
+	if (!fw_size)
+		return 0;
+
+	for (len = 0; len < fw_size; len++) {
+		if (!*p)
+			break;
+		if (*p == '\n') {
+			p++;
+			len++;
+			break;
+		}
+		if (len < size)
+			*buf++ = *p++;
+	}
+	*buf = 0;
+	*fw_size_p = fw_size - len;
+	*fw_data_p = p;
+	remove_trail_spaces(buf);
+	return 1;
+}
+
+/*
+ * load a "patch" firmware file and parse it
+ */
+int snd_hda_load_patch(struct hda_bus *bus, size_t fw_size, const void *fw_buf)
+{
+	char buf[128];
+	struct hda_codec *codec;
+	int line_mode;
+
+	line_mode = LINE_MODE_NONE;
+	codec = NULL;
+	while (get_line_from_fw(buf, sizeof(buf) - 1, &fw_size, &fw_buf)) {
+		if (!*buf || *buf == '#' || *buf == '\n')
+			continue;
+		if (*buf == '[')
+			line_mode = parse_line_mode(buf, bus);
+		else if (patch_items[line_mode].parser &&
+			 (codec || line_mode <= LINE_MODE_CODEC))
+			patch_items[line_mode].parser(buf, bus, &codec);
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_load_patch);
+#endif /* CONFIG_SND_HDA_PATCH_LOADER */
+
+/*
+ * sysfs entries
+ */
+static struct attribute *hda_dev_attrs[] = {
+	&dev_attr_vendor_id.attr,
+	&dev_attr_subsystem_id.attr,
+	&dev_attr_revision_id.attr,
+	&dev_attr_afg.attr,
+	&dev_attr_mfg.attr,
+	&dev_attr_vendor_name.attr,
+	&dev_attr_chip_name.attr,
+	&dev_attr_modelname.attr,
+	&dev_attr_init_pin_configs.attr,
+	&dev_attr_driver_pin_configs.attr,
+#ifdef CONFIG_PM
+	&dev_attr_power_on_acct.attr,
+	&dev_attr_power_off_acct.attr,
+#endif
+#ifdef CONFIG_SND_HDA_RECONFIG
+	&dev_attr_init_verbs.attr,
+	&dev_attr_hints.attr,
+	&dev_attr_user_pin_configs.attr,
+	&dev_attr_reconfig.attr,
+	&dev_attr_clear.attr,
+#endif
+	NULL
+};
+
+static struct attribute_group hda_dev_attr_group = {
+	.attrs	= hda_dev_attrs,
+};
+
+const struct attribute_group *snd_hda_dev_attr_groups[] = {
+	&hda_dev_attr_group,
+	NULL
+};
+
+void snd_hda_sysfs_init(struct hda_codec *codec)
+{
+	mutex_init(&codec->user_mutex);
+#ifdef CONFIG_SND_HDA_RECONFIG
+	snd_array_init(&codec->init_verbs, sizeof(struct hda_verb), 32);
+	snd_array_init(&codec->hints, sizeof(struct hda_hint), 32);
+	snd_array_init(&codec->user_pins, sizeof(struct hda_pincfg), 16);
+#endif
+}
+
+void snd_hda_sysfs_clear(struct hda_codec *codec)
+{
+#ifdef CONFIG_SND_HDA_RECONFIG
+	int i;
+
+	/* clear init verbs */
+	snd_array_free(&codec->init_verbs);
+	/* clear hints */
+	for (i = 0; i < codec->hints.used; i++) {
+		struct hda_hint *hint = snd_array_elem(&codec->hints, i);
+		kfree(hint->key); /* we don't need to free hint->val */
+	}
+	snd_array_free(&codec->hints);
+	snd_array_free(&codec->user_pins);
+#endif
+}

sound/pci/hda/hda_tegra.c

@@ -0,0 +1,556 @@
+/*
+ *
+ * Implementation of primary ALSA driver code base for NVIDIA Tegra HDA.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/clocksource.h>
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/mutex.h>
+#include <linux/of_device.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+
+#include <sound/core.h>
+#include <sound/initval.h>
+
+#include "hda_codec.h"
+#include "hda_controller.h"
+#include "hda_priv.h"
+
+/* Defines for Nvidia Tegra HDA support */
+#define HDA_BAR0           0x8000
+
+#define HDA_CFG_CMD        0x1004
+#define HDA_CFG_BAR0       0x1010
+
+#define HDA_ENABLE_IO_SPACE       (1 << 0)
+#define HDA_ENABLE_MEM_SPACE      (1 << 1)
+#define HDA_ENABLE_BUS_MASTER     (1 << 2)
+#define HDA_ENABLE_SERR           (1 << 8)
+#define HDA_DISABLE_INTR          (1 << 10)
+#define HDA_BAR0_INIT_PROGRAM     0xFFFFFFFF
+#define HDA_BAR0_FINAL_PROGRAM    (1 << 14)
+
+/* IPFS */
+#define HDA_IPFS_CONFIG           0x180
+#define HDA_IPFS_EN_FPCI          0x1
+
+#define HDA_IPFS_FPCI_BAR0        0x80
+#define HDA_FPCI_BAR0_START       0x40
+
+#define HDA_IPFS_INTR_MASK        0x188
+#define HDA_IPFS_EN_INTR          (1 << 16)
+
+/* max number of SDs */
+#define NUM_CAPTURE_SD 1
+#define NUM_PLAYBACK_SD 1
+
+struct hda_tegra {
+	struct azx chip;
+	struct device *dev;
+	struct clk *hda_clk;
+	struct clk *hda2codec_2x_clk;
+	struct clk *hda2hdmi_clk;
+	void __iomem *regs;
+};
+
+#ifdef CONFIG_PM
+static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
+module_param(power_save, bint, 0644);
+MODULE_PARM_DESC(power_save,
+		 "Automatic power-saving timeout (in seconds, 0 = disable).");
+#else
+static int power_save = 0;
+#endif
+
+/*
+ * DMA page allocation ops.
+ */
+static int dma_alloc_pages(struct azx *chip, int type, size_t size,
+			   struct snd_dma_buffer *buf)
+{
+	return snd_dma_alloc_pages(type, chip->card->dev, size, buf);
+}
+
+static void dma_free_pages(struct azx *chip, struct snd_dma_buffer *buf)
+{
+	snd_dma_free_pages(buf);
+}
+
+static int substream_alloc_pages(struct azx *chip,
+				 struct snd_pcm_substream *substream,
+				 size_t size)
+{
+	struct azx_dev *azx_dev = get_azx_dev(substream);
+
+	azx_dev->bufsize = 0;
+	azx_dev->period_bytes = 0;
+	azx_dev->format_val = 0;
+	return snd_pcm_lib_malloc_pages(substream, size);
+}
+
+static int substream_free_pages(struct azx *chip,
+				struct snd_pcm_substream *substream)
+{
+	return snd_pcm_lib_free_pages(substream);
+}
+
+/*
+ * Register access ops. Tegra HDA register access is DWORD only.
+ */
+static void hda_tegra_writel(u32 value, u32 *addr)
+{
+	writel(value, addr);
+}
+
+static u32 hda_tegra_readl(u32 *addr)
+{
+	return readl(addr);
+}
+
+static void hda_tegra_writew(u16 value, u16 *addr)
+{
+	unsigned int shift = ((unsigned long)(addr) & 0x3) << 3;
+	void *dword_addr = (void *)((unsigned long)(addr) & ~0x3);
+	u32 v;
+
+	v = readl(dword_addr);
+	v &= ~(0xffff << shift);
+	v |= value << shift;
+	writel(v, dword_addr);
+}
+
+static u16 hda_tegra_readw(u16 *addr)
+{
+	unsigned int shift = ((unsigned long)(addr) & 0x3) << 3;
+	void *dword_addr = (void *)((unsigned long)(addr) & ~0x3);
+	u32 v;
+
+	v = readl(dword_addr);
+	return (v >> shift) & 0xffff;
+}
+
+static void hda_tegra_writeb(u8 value, u8 *addr)
+{
+	unsigned int shift = ((unsigned long)(addr) & 0x3) << 3;
+	void *dword_addr = (void *)((unsigned long)(addr) & ~0x3);
+	u32 v;
+
+	v = readl(dword_addr);
+	v &= ~(0xff << shift);
+	v |= value << shift;
+	writel(v, dword_addr);
+}
+
+static u8 hda_tegra_readb(u8 *addr)
+{
+	unsigned int shift = ((unsigned long)(addr) & 0x3) << 3;
+	void *dword_addr = (void *)((unsigned long)(addr) & ~0x3);
+	u32 v;
+
+	v = readl(dword_addr);
+	return (v >> shift) & 0xff;
+}
+
+static const struct hda_controller_ops hda_tegra_ops = {
+	.reg_writel = hda_tegra_writel,
+	.reg_readl = hda_tegra_readl,
+	.reg_writew = hda_tegra_writew,
+	.reg_readw = hda_tegra_readw,
+	.reg_writeb = hda_tegra_writeb,
+	.reg_readb = hda_tegra_readb,
+	.dma_alloc_pages = dma_alloc_pages,
+	.dma_free_pages = dma_free_pages,
+	.substream_alloc_pages = substream_alloc_pages,
+	.substream_free_pages = substream_free_pages,
+};
+
+static void hda_tegra_init(struct hda_tegra *hda)
+{
+	u32 v;
+
+	/* Enable PCI access */
+	v = readl(hda->regs + HDA_IPFS_CONFIG);
+	v |= HDA_IPFS_EN_FPCI;
+	writel(v, hda->regs + HDA_IPFS_CONFIG);
+
+	/* Enable MEM/IO space and bus master */
+	v = readl(hda->regs + HDA_CFG_CMD);
+	v &= ~HDA_DISABLE_INTR;
+	v |= HDA_ENABLE_MEM_SPACE | HDA_ENABLE_IO_SPACE |
+		HDA_ENABLE_BUS_MASTER | HDA_ENABLE_SERR;
+	writel(v, hda->regs + HDA_CFG_CMD);
+
+	writel(HDA_BAR0_INIT_PROGRAM, hda->regs + HDA_CFG_BAR0);
+	writel(HDA_BAR0_FINAL_PROGRAM, hda->regs + HDA_CFG_BAR0);
+	writel(HDA_FPCI_BAR0_START, hda->regs + HDA_IPFS_FPCI_BAR0);
+
+	v = readl(hda->regs + HDA_IPFS_INTR_MASK);
+	v |= HDA_IPFS_EN_INTR;
+	writel(v, hda->regs + HDA_IPFS_INTR_MASK);
+}
+
+static int hda_tegra_enable_clocks(struct hda_tegra *data)
+{
+	int rc;
+
+	rc = clk_prepare_enable(data->hda_clk);
+	if (rc)
+		return rc;
+	rc = clk_prepare_enable(data->hda2codec_2x_clk);
+	if (rc)
+		goto disable_hda;
+	rc = clk_prepare_enable(data->hda2hdmi_clk);
+	if (rc)
+		goto disable_codec_2x;
+
+	return 0;
+
+disable_codec_2x:
+	clk_disable_unprepare(data->hda2codec_2x_clk);
+disable_hda:
+	clk_disable_unprepare(data->hda_clk);
+	return rc;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static void hda_tegra_disable_clocks(struct hda_tegra *data)
+{
+	clk_disable_unprepare(data->hda2hdmi_clk);
+	clk_disable_unprepare(data->hda2codec_2x_clk);
+	clk_disable_unprepare(data->hda_clk);
+}
+
+/*
+ * power management
+ */
+static int hda_tegra_suspend(struct device *dev)
+{
+	struct snd_card *card = dev_get_drvdata(dev);
+	struct azx *chip = card->private_data;
+	struct azx_pcm *p;
+	struct hda_tegra *hda = container_of(chip, struct hda_tegra, chip);
+
+	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+	list_for_each_entry(p, &chip->pcm_list, list)
+		snd_pcm_suspend_all(p->pcm);
+	if (chip->initialized)
+		snd_hda_suspend(chip->bus);
+
+	azx_stop_chip(chip);
+	azx_enter_link_reset(chip);
+	hda_tegra_disable_clocks(hda);
+
+	return 0;
+}
+
+static int hda_tegra_resume(struct device *dev)
+{
+	struct snd_card *card = dev_get_drvdata(dev);
+	struct azx *chip = card->private_data;
+	struct hda_tegra *hda = container_of(chip, struct hda_tegra, chip);
+
+	hda_tegra_enable_clocks(hda);
+
+	hda_tegra_init(hda);
+
+	azx_init_chip(chip, 1);
+
+	snd_hda_resume(chip->bus);
+	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+
+	return 0;
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static const struct dev_pm_ops hda_tegra_pm = {
+	SET_SYSTEM_SLEEP_PM_OPS(hda_tegra_suspend, hda_tegra_resume)
+};
+
+/*
+ * destructor
+ */
+static int hda_tegra_dev_free(struct snd_device *device)
+{
+	int i;
+	struct azx *chip = device->device_data;
+
+	azx_notifier_unregister(chip);
+
+	if (chip->initialized) {
+		for (i = 0; i < chip->num_streams; i++)
+			azx_stream_stop(chip, &chip->azx_dev[i]);
+		azx_stop_chip(chip);
+	}
+
+	azx_free_stream_pages(chip);
+
+	return 0;
+}
+
+static int hda_tegra_init_chip(struct azx *chip, struct platform_device *pdev)
+{
+	struct hda_tegra *hda = container_of(chip, struct hda_tegra, chip);
+	struct device *dev = hda->dev;
+	struct resource *res;
+	int err;
+
+	hda->hda_clk = devm_clk_get(dev, "hda");
+	if (IS_ERR(hda->hda_clk))
+		return PTR_ERR(hda->hda_clk);
+	hda->hda2codec_2x_clk = devm_clk_get(dev, "hda2codec_2x");
+	if (IS_ERR(hda->hda2codec_2x_clk))
+		return PTR_ERR(hda->hda2codec_2x_clk);
+	hda->hda2hdmi_clk = devm_clk_get(dev, "hda2hdmi");
+	if (IS_ERR(hda->hda2hdmi_clk))
+		return PTR_ERR(hda->hda2hdmi_clk);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	hda->regs = devm_ioremap_resource(dev, res);
+	if (IS_ERR(chip->remap_addr))
+		return PTR_ERR(chip->remap_addr);
+
+	chip->remap_addr = hda->regs + HDA_BAR0;
+	chip->addr = res->start + HDA_BAR0;
+
+	err = hda_tegra_enable_clocks(hda);
+	if (err)
+		return err;
+
+	hda_tegra_init(hda);
+
+	return 0;
+}
+
+/*
+ * The codecs were powered up in snd_hda_codec_new().
+ * Now all initialization done, so turn them down if possible
+ */
+static void power_down_all_codecs(struct azx *chip)
+{
+	struct hda_codec *codec;
+	list_for_each_entry(codec, &chip->bus->codec_list, list)
+		snd_hda_power_down(codec);
+}
+
+static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev)
+{
+	struct snd_card *card = chip->card;
+	int err;
+	unsigned short gcap;
+	int irq_id = platform_get_irq(pdev, 0);
+
+	err = hda_tegra_init_chip(chip, pdev);
+	if (err)
+		return err;
+
+	err = devm_request_irq(chip->card->dev, irq_id, azx_interrupt,
+			     IRQF_SHARED, KBUILD_MODNAME, chip);
+	if (err) {
+		dev_err(chip->card->dev,
+			"unable to request IRQ %d, disabling device\n",
+			irq_id);
+		return err;
+	}
+	chip->irq = irq_id;
+
+	synchronize_irq(chip->irq);
+
+	gcap = azx_readw(chip, GCAP);
+	dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
+
+	/* read number of streams from GCAP register instead of using
+	 * hardcoded value
+	 */
+	chip->capture_streams = (gcap >> 8) & 0x0f;
+	chip->playback_streams = (gcap >> 12) & 0x0f;
+	if (!chip->playback_streams && !chip->capture_streams) {
+		/* gcap didn't give any info, switching to old method */
+		chip->playback_streams = NUM_PLAYBACK_SD;
+		chip->capture_streams = NUM_CAPTURE_SD;
+	}
+	chip->capture_index_offset = 0;
+	chip->playback_index_offset = chip->capture_streams;
+	chip->num_streams = chip->playback_streams + chip->capture_streams;
+	chip->azx_dev = devm_kcalloc(card->dev, chip->num_streams,
+				     sizeof(*chip->azx_dev), GFP_KERNEL);
+	if (!chip->azx_dev)
+		return -ENOMEM;
+
+	err = azx_alloc_stream_pages(chip);
+	if (err < 0)
+		return err;
+
+	/* initialize streams */
+	azx_init_stream(chip);
+
+	/* initialize chip */
+	azx_init_chip(chip, 1);
+
+	/* codec detection */
+	if (!chip->codec_mask) {
+		dev_err(card->dev, "no codecs found!\n");
+		return -ENODEV;
+	}
+
+	strcpy(card->driver, "tegra-hda");
+	strcpy(card->shortname, "tegra-hda");
+	snprintf(card->longname, sizeof(card->longname),
+		 "%s at 0x%lx irq %i",
+		 card->shortname, chip->addr, chip->irq);
+
+	return 0;
+}
+
+/*
+ * constructor
+ */
+static int hda_tegra_create(struct snd_card *card,
+			    unsigned int driver_caps,
+			    const struct hda_controller_ops *hda_ops,
+			    struct hda_tegra *hda)
+{
+	static struct snd_device_ops ops = {
+		.dev_free = hda_tegra_dev_free,
+	};
+	struct azx *chip;
+	int err;
+
+	chip = &hda->chip;
+
+	spin_lock_init(&chip->reg_lock);
+	mutex_init(&chip->open_mutex);
+	chip->card = card;
+	chip->ops = hda_ops;
+	chip->irq = -1;
+	chip->driver_caps = driver_caps;
+	chip->driver_type = driver_caps & 0xff;
+	chip->dev_index = 0;
+	INIT_LIST_HEAD(&chip->pcm_list);
+
+	chip->codec_probe_mask = -1;
+
+	chip->single_cmd = false;
+	chip->snoop = true;
+
+	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+	if (err < 0) {
+		dev_err(card->dev, "Error creating device\n");
+		return err;
+	}
+
+	return 0;
+}
+
+static const struct of_device_id hda_tegra_match[] = {
+	{ .compatible = "nvidia,tegra30-hda" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, hda_tegra_match);
+
+static int hda_tegra_probe(struct platform_device *pdev)
+{
+	struct snd_card *card;
+	struct azx *chip;
+	struct hda_tegra *hda;
+	int err;
+	const unsigned int driver_flags = AZX_DCAPS_RIRB_DELAY;
+
+	hda = devm_kzalloc(&pdev->dev, sizeof(*hda), GFP_KERNEL);
+	if (!hda)
+		return -ENOMEM;
+	hda->dev = &pdev->dev;
+	chip = &hda->chip;
+
+	err = snd_card_new(&pdev->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
+			   THIS_MODULE, 0, &card);
+	if (err < 0) {
+		dev_err(&pdev->dev, "Error creating card!\n");
+		return err;
+	}
+
+	err = hda_tegra_create(card, driver_flags, &hda_tegra_ops, hda);
+	if (err < 0)
+		goto out_free;
+	card->private_data = chip;
+
+	dev_set_drvdata(&pdev->dev, card);
+
+	err = hda_tegra_first_init(chip, pdev);
+	if (err < 0)
+		goto out_free;
+
+	/* create codec instances */
+	err = azx_codec_create(chip, NULL, 0, &power_save);
+	if (err < 0)
+		goto out_free;
+
+	err = azx_codec_configure(chip);
+	if (err < 0)
+		goto out_free;
+
+	/* create PCM streams */
+	err = snd_hda_build_pcms(chip->bus);
+	if (err < 0)
+		goto out_free;
+
+	/* create mixer controls */
+	err = azx_mixer_create(chip);
+	if (err < 0)
+		goto out_free;
+
+	err = snd_card_register(chip->card);
+	if (err < 0)
+		goto out_free;
+
+	chip->running = 1;
+	power_down_all_codecs(chip);
+	azx_notifier_register(chip);
+
+	return 0;
+
+out_free:
+	snd_card_free(card);
+	return err;
+}
+
+static int hda_tegra_remove(struct platform_device *pdev)
+{
+	return snd_card_free(dev_get_drvdata(&pdev->dev));
+}
+
+static struct platform_driver tegra_platform_hda = {
+	.driver = {
+		.name = "tegra-hda",
+		.pm = &hda_tegra_pm,
+		.of_match_table = hda_tegra_match,
+	},
+	.probe = hda_tegra_probe,
+	.remove = hda_tegra_remove,
+};
+module_platform_driver(tegra_platform_hda);
+
+MODULE_DESCRIPTION("Tegra HDA bus driver");
+MODULE_LICENSE("GPL v2");

sound/pci/hda/hda_trace.h

@@ -0,0 +1,143 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hda
+#define TRACE_INCLUDE_FILE hda_trace
+
+#if !defined(_TRACE_HDA_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HDA_H
+
+#include <linux/tracepoint.h>
+
+struct hda_bus;
+struct hda_codec;
+
+DECLARE_EVENT_CLASS(hda_cmd,
+
+	TP_PROTO(struct hda_codec *codec, unsigned int val),
+
+	TP_ARGS(codec, val),
+
+	TP_STRUCT__entry(
+		__field( unsigned int, card )
+		__field( unsigned int, addr )
+		__field( unsigned int, val )
+	),
+
+	TP_fast_assign(
+		__entry->card = (codec)->bus->card->number;
+		__entry->addr = (codec)->addr;
+		__entry->val = (val);
+	),
+
+	TP_printk("[%d:%d] val=%x", __entry->card, __entry->addr, __entry->val)
+);
+
+DEFINE_EVENT(hda_cmd, hda_send_cmd,
+	TP_PROTO(struct hda_codec *codec, unsigned int val),
+	TP_ARGS(codec, val)
+);
+
+DEFINE_EVENT(hda_cmd, hda_get_response,
+	TP_PROTO(struct hda_codec *codec, unsigned int val),
+	TP_ARGS(codec, val)
+);
+
+TRACE_EVENT(hda_bus_reset,
+
+	TP_PROTO(struct hda_bus *bus),
+
+	TP_ARGS(bus),
+
+	TP_STRUCT__entry(
+		__field( unsigned int, card )
+	),
+
+	TP_fast_assign(
+		__entry->card = (bus)->card->number;
+	),
+
+	TP_printk("[%d]", __entry->card)
+);
+
+#ifdef CONFIG_PM
+DECLARE_EVENT_CLASS(hda_power,
+
+	TP_PROTO(struct hda_codec *codec),
+
+	TP_ARGS(codec),
+
+	TP_STRUCT__entry(
+		__field( unsigned int, card )
+		__field( unsigned int, addr )
+	),
+
+	TP_fast_assign(
+		__entry->card = (codec)->bus->card->number;
+		__entry->addr = (codec)->addr;
+	),
+
+	TP_printk("[%d:%d]", __entry->card, __entry->addr)
+);
+
+DEFINE_EVENT(hda_power, hda_power_down,
+	TP_PROTO(struct hda_codec *codec),
+	TP_ARGS(codec)
+);
+
+DEFINE_EVENT(hda_power, hda_power_up,
+	TP_PROTO(struct hda_codec *codec),
+	TP_ARGS(codec)
+);
+
+TRACE_EVENT(hda_power_count,
+	TP_PROTO(struct hda_codec *codec),
+	TP_ARGS(codec),
+	TP_STRUCT__entry(
+		__field( unsigned int, card )
+		__field( unsigned int, addr )
+		__field( int, power_count )
+		__field( int, power_on )
+		__field( int, power_transition )
+	),
+
+	TP_fast_assign(
+		__entry->card = (codec)->bus->card->number;
+		__entry->addr = (codec)->addr;
+		__entry->power_count = (codec)->power_count;
+		__entry->power_on = (codec)->power_on;
+		__entry->power_transition = (codec)->power_transition;
+	),
+
+	TP_printk("[%d:%d] power_count=%d, power_on=%d, power_transition=%d",
+		  __entry->card, __entry->addr, __entry->power_count,
+		  __entry->power_on, __entry->power_transition)
+);
+#endif /* CONFIG_PM */
+
+TRACE_EVENT(hda_unsol_event,
+
+	TP_PROTO(struct hda_bus *bus, u32 res, u32 res_ex),
+
+	TP_ARGS(bus, res, res_ex),
+
+	TP_STRUCT__entry(
+		__field( unsigned int, card )
+		__field( u32, res )
+		__field( u32, res_ex )
+	),
+
+	TP_fast_assign(
+		__entry->card = (bus)->card->number;
+		__entry->res = res;
+		__entry->res_ex = res_ex;
+	),
+
+	TP_printk("[%d] res=%x, res_ex=%x", __entry->card,
+		  __entry->res, __entry->res_ex)
+);
+
+#endif /* _TRACE_HDA_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#include <trace/define_trace.h>

sound/pci/hda/patch_ca0110.c

@@ -0,0 +1,117 @@
+/*
+ * HD audio interface patch for Creative X-Fi CA0110-IBG chip
+ *
+ * Copyright (c) 2008 Takashi Iwai <tiwai@suse.de>
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+#include "hda_auto_parser.h"
+#include "hda_jack.h"
+#include "hda_generic.h"
+
+
+static const struct hda_codec_ops ca0110_patch_ops = {
+	.build_controls = snd_hda_gen_build_controls,
+	.build_pcms = snd_hda_gen_build_pcms,
+	.init = snd_hda_gen_init,
+	.free = snd_hda_gen_free,
+	.unsol_event = snd_hda_jack_unsol_event,
+};
+
+static int ca0110_parse_auto_config(struct hda_codec *codec)
+{
+	struct hda_gen_spec *spec = codec->spec;
+	int err;
+
+	err = snd_hda_parse_pin_defcfg(codec, &spec->autocfg, NULL, 0);
+	if (err < 0)
+		return err;
+	err = snd_hda_gen_parse_auto_config(codec, &spec->autocfg);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+
+static int patch_ca0110(struct hda_codec *codec)
+{
+	struct hda_gen_spec *spec;
+	int err;
+
+	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+	if (!spec)
+		return -ENOMEM;
+	snd_hda_gen_spec_init(spec);
+	codec->spec = spec;
+
+	spec->multi_cap_vol = 1;
+	codec->bus->needs_damn_long_delay = 1;
+
+	err = ca0110_parse_auto_config(codec);
+	if (err < 0)
+		goto error;
+
+	codec->patch_ops = ca0110_patch_ops;
+
+	return 0;
+
+ error:
+	snd_hda_gen_free(codec);
+	return err;
+}
+
+
+/*
+ * patch entries
+ */
+static const struct hda_codec_preset snd_hda_preset_ca0110[] = {
+	{ .id = 0x1102000a, .name = "CA0110-IBG", .patch = patch_ca0110 },
+	{ .id = 0x1102000b, .name = "CA0110-IBG", .patch = patch_ca0110 },
+	{ .id = 0x1102000d, .name = "SB0880 X-Fi", .patch = patch_ca0110 },
+	{} /* terminator */
+};
+
+MODULE_ALIAS("snd-hda-codec-id:1102000a");
+MODULE_ALIAS("snd-hda-codec-id:1102000b");
+MODULE_ALIAS("snd-hda-codec-id:1102000d");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Creative CA0110-IBG HD-audio codec");
+
+static struct hda_codec_preset_list ca0110_list = {
+	.preset = snd_hda_preset_ca0110,
+	.owner = THIS_MODULE,
+};
+
+static int __init patch_ca0110_init(void)
+{
+	return snd_hda_add_codec_preset(&ca0110_list);
+}
+
+static void __exit patch_ca0110_exit(void)
+{
+	snd_hda_delete_codec_preset(&ca0110_list);
+}
+
+module_init(patch_ca0110_init)
+module_exit(patch_ca0110_exit)

sound/pci/hda/patch_cmedia.c

@@ -0,0 +1,156 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * HD audio interface patch for C-Media CMI9880
+ *
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+#include "hda_auto_parser.h"
+#include "hda_jack.h"
+#include "hda_generic.h"
+
+struct cmi_spec {
+	struct hda_gen_spec gen;
+};
+
+/*
+ * stuff for auto-parser
+ */
+static const struct hda_codec_ops cmi_auto_patch_ops = {
+	.build_controls = snd_hda_gen_build_controls,
+	.build_pcms = snd_hda_gen_build_pcms,
+	.init = snd_hda_gen_init,
+	.free = snd_hda_gen_free,
+	.unsol_event = snd_hda_jack_unsol_event,
+};
+
+static int patch_cmi9880(struct hda_codec *codec)
+{
+	struct cmi_spec *spec;
+	struct auto_pin_cfg *cfg;
+	int err;
+
+	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+	if (spec == NULL)
+		return -ENOMEM;
+
+	codec->spec = spec;
+	cfg = &spec->gen.autocfg;
+	snd_hda_gen_spec_init(&spec->gen);
+
+	err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
+	if (err < 0)
+		goto error;
+	err = snd_hda_gen_parse_auto_config(codec, cfg);
+	if (err < 0)
+		goto error;
+
+	codec->patch_ops = cmi_auto_patch_ops;
+	return 0;
+
+ error:
+	snd_hda_gen_free(codec);
+	return err;
+}
+
+static int patch_cmi8888(struct hda_codec *codec)
+{
+	struct cmi_spec *spec;
+	struct auto_pin_cfg *cfg;
+	int err;
+
+	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+	if (!spec)
+		return -ENOMEM;
+
+	codec->spec = spec;
+	cfg = &spec->gen.autocfg;
+	snd_hda_gen_spec_init(&spec->gen);
+
+	/* mask NID 0x10 from the playback volume selection;
+	 * it's a headphone boost volume handled manually below
+	 */
+	spec->gen.out_vol_mask = (1ULL << 0x10);
+
+	err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
+	if (err < 0)
+		goto error;
+	err = snd_hda_gen_parse_auto_config(codec, cfg);
+	if (err < 0)
+		goto error;
+
+	if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
+	    AC_JACK_HP_OUT) {
+		static const struct snd_kcontrol_new amp_kctl =
+			HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
+					 0x10, 0, HDA_OUTPUT);
+		if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &amp_kctl)) {
+			err = -ENOMEM;
+			goto error;
+		}
+	}
+
+	codec->patch_ops = cmi_auto_patch_ops;
+	return 0;
+
+ error:
+	snd_hda_gen_free(codec);
+	return err;
+}
+
+/*
+ * patch entries
+ */
+static const struct hda_codec_preset snd_hda_preset_cmedia[] = {
+	{ .id = 0x13f68888, .name = "CMI8888", .patch = patch_cmi8888 },
+	{ .id = 0x13f69880, .name = "CMI9880", .patch = patch_cmi9880 },
+ 	{ .id = 0x434d4980, .name = "CMI9880", .patch = patch_cmi9880 },
+	{} /* terminator */
+};
+
+MODULE_ALIAS("snd-hda-codec-id:13f68888");
+MODULE_ALIAS("snd-hda-codec-id:13f69880");
+MODULE_ALIAS("snd-hda-codec-id:434d4980");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("C-Media HD-audio codec");
+
+static struct hda_codec_preset_list cmedia_list = {
+	.preset = snd_hda_preset_cmedia,
+	.owner = THIS_MODULE,
+};
+
+static int __init patch_cmedia_init(void)
+{
+	return snd_hda_add_codec_preset(&cmedia_list);
+}
+
+static void __exit patch_cmedia_exit(void)
+{
+	snd_hda_delete_codec_preset(&cmedia_list);
+}
+
+module_init(patch_cmedia_init)
+module_exit(patch_cmedia_exit)

sound/pci/hda/patch_si3054.c

@@ -0,0 +1,338 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * HD audio interface patch for Silicon Labs 3054/5 modem codec
+ *
+ * Copyright (c) 2005 Sasha Khapyorsky <sashak@alsa-project.org>
+ *                    Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+
+/* si3054 verbs */
+#define SI3054_VERB_READ_NODE  0x900
+#define SI3054_VERB_WRITE_NODE 0x100
+
+/* si3054 nodes (registers) */
+#define SI3054_EXTENDED_MID    2
+#define SI3054_LINE_RATE       3
+#define SI3054_LINE_LEVEL      4
+#define SI3054_GPIO_CFG        5
+#define SI3054_GPIO_POLARITY   6
+#define SI3054_GPIO_STICKY     7
+#define SI3054_GPIO_WAKEUP     8
+#define SI3054_GPIO_STATUS     9
+#define SI3054_GPIO_CONTROL   10
+#define SI3054_MISC_AFE       11
+#define SI3054_CHIPID         12
+#define SI3054_LINE_CFG1      13
+#define SI3054_LINE_STATUS    14
+#define SI3054_DC_TERMINATION 15
+#define SI3054_LINE_CONFIG    16
+#define SI3054_CALLPROG_ATT   17
+#define SI3054_SQ_CONTROL     18
+#define SI3054_MISC_CONTROL   19
+#define SI3054_RING_CTRL1     20
+#define SI3054_RING_CTRL2     21
+
+/* extended MID */
+#define SI3054_MEI_READY 0xf
+
+/* line level */
+#define SI3054_ATAG_MASK 0x00f0
+#define SI3054_DTAG_MASK 0xf000
+
+/* GPIO bits */
+#define SI3054_GPIO_OH    0x0001
+#define SI3054_GPIO_CID   0x0002
+
+/* chipid and revisions */
+#define SI3054_CHIPID_CODEC_REV_MASK 0x000f
+#define SI3054_CHIPID_DAA_REV_MASK   0x00f0
+#define SI3054_CHIPID_INTERNATIONAL  0x0100
+#define SI3054_CHIPID_DAA_ID         0x0f00
+#define SI3054_CHIPID_CODEC_ID      (1<<12)
+
+/* si3054 codec registers (nodes) access macros */
+#define GET_REG(codec,reg) (snd_hda_codec_read(codec,reg,0,SI3054_VERB_READ_NODE,0))
+#define SET_REG(codec,reg,val) (snd_hda_codec_write(codec,reg,0,SI3054_VERB_WRITE_NODE,val))
+#define SET_REG_CACHE(codec,reg,val) \
+	snd_hda_codec_write_cache(codec,reg,0,SI3054_VERB_WRITE_NODE,val)
+
+
+struct si3054_spec {
+	unsigned international;
+	struct hda_pcm pcm;
+};
+
+
+/*
+ * Modem mixer
+ */
+
+#define PRIVATE_VALUE(reg,mask) ((reg<<16)|(mask&0xffff))
+#define PRIVATE_REG(val) ((val>>16)&0xffff)
+#define PRIVATE_MASK(val) (val&0xffff)
+
+#define si3054_switch_info	snd_ctl_boolean_mono_info
+
+static int si3054_switch_get(struct snd_kcontrol *kcontrol,
+		               struct snd_ctl_elem_value *uvalue)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	u16 reg  = PRIVATE_REG(kcontrol->private_value);
+	u16 mask = PRIVATE_MASK(kcontrol->private_value);
+	uvalue->value.integer.value[0] = (GET_REG(codec, reg)) & mask ? 1 : 0 ;
+	return 0;
+}
+
+static int si3054_switch_put(struct snd_kcontrol *kcontrol,
+		               struct snd_ctl_elem_value *uvalue)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	u16 reg  = PRIVATE_REG(kcontrol->private_value);
+	u16 mask = PRIVATE_MASK(kcontrol->private_value);
+	if (uvalue->value.integer.value[0])
+		SET_REG_CACHE(codec, reg, (GET_REG(codec, reg)) | mask);
+	else
+		SET_REG_CACHE(codec, reg, (GET_REG(codec, reg)) & ~mask);
+	return 0;
+}
+
+#define SI3054_KCONTROL(kname,reg,mask) { \
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = kname, \
+	.subdevice = HDA_SUBDEV_NID_FLAG | reg, \
+	.info = si3054_switch_info, \
+	.get  = si3054_switch_get, \
+	.put  = si3054_switch_put, \
+	.private_value = PRIVATE_VALUE(reg,mask), \
+}
+		
+
+static const struct snd_kcontrol_new si3054_modem_mixer[] = {
+	SI3054_KCONTROL("Off-hook Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_OH),
+	SI3054_KCONTROL("Caller ID Switch", SI3054_GPIO_CONTROL, SI3054_GPIO_CID),
+	{}
+};
+
+static int si3054_build_controls(struct hda_codec *codec)
+{
+	return snd_hda_add_new_ctls(codec, si3054_modem_mixer);
+}
+
+
+/*
+ * PCM callbacks
+ */
+
+static int si3054_pcm_prepare(struct hda_pcm_stream *hinfo,
+			      struct hda_codec *codec,
+			      unsigned int stream_tag,
+			      unsigned int format,
+			      struct snd_pcm_substream *substream)
+{
+	u16 val;
+
+	SET_REG(codec, SI3054_LINE_RATE, substream->runtime->rate);
+	val = GET_REG(codec, SI3054_LINE_LEVEL);
+	val &= 0xff << (8 * (substream->stream != SNDRV_PCM_STREAM_PLAYBACK));
+	val |= ((stream_tag & 0xf) << 4) << (8 * (substream->stream == SNDRV_PCM_STREAM_PLAYBACK));
+	SET_REG(codec, SI3054_LINE_LEVEL, val);
+
+	snd_hda_codec_setup_stream(codec, hinfo->nid,
+				   stream_tag, 0, format);
+	return 0;
+}
+
+static int si3054_pcm_open(struct hda_pcm_stream *hinfo,
+			   struct hda_codec *codec,
+			    struct snd_pcm_substream *substream)
+{
+	static unsigned int rates[] = { 8000, 9600, 16000 };
+	static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
+		.count = ARRAY_SIZE(rates),
+		.list = rates,
+		.mask = 0,
+	};
+	substream->runtime->hw.period_bytes_min = 80;
+	return snd_pcm_hw_constraint_list(substream->runtime, 0,
+			SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
+}
+
+
+static const struct hda_pcm_stream si3054_pcm = {
+	.substreams = 1,
+	.channels_min = 1,
+	.channels_max = 1,
+	.nid = 0x1,
+	.rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_KNOT,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	.maxbps = 16,
+	.ops = {
+		.open = si3054_pcm_open,
+		.prepare = si3054_pcm_prepare,
+	},
+};
+
+
+static int si3054_build_pcms(struct hda_codec *codec)
+{
+	struct si3054_spec *spec = codec->spec;
+	struct hda_pcm *info = &spec->pcm;
+	codec->num_pcms = 1;
+	codec->pcm_info = info;
+	info->name = "Si3054 Modem";
+	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = si3054_pcm;
+	info->stream[SNDRV_PCM_STREAM_CAPTURE]  = si3054_pcm;
+	info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = codec->mfg;
+	info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = codec->mfg;
+	info->pcm_type = HDA_PCM_TYPE_MODEM;
+	return 0;
+}
+
+
+/*
+ * Init part
+ */
+
+static int si3054_init(struct hda_codec *codec)
+{
+	struct si3054_spec *spec = codec->spec;
+	unsigned wait_count;
+	u16 val;
+
+	snd_hda_codec_write(codec, AC_NODE_ROOT, 0, AC_VERB_SET_CODEC_RESET, 0);
+	snd_hda_codec_write(codec, codec->mfg, 0, AC_VERB_SET_STREAM_FORMAT, 0);
+	SET_REG(codec, SI3054_LINE_RATE, 9600);
+	SET_REG(codec, SI3054_LINE_LEVEL, SI3054_DTAG_MASK|SI3054_ATAG_MASK);
+	SET_REG(codec, SI3054_EXTENDED_MID, 0);
+
+	wait_count = 10;
+	do {
+		msleep(2);
+		val = GET_REG(codec, SI3054_EXTENDED_MID);
+	} while ((val & SI3054_MEI_READY) != SI3054_MEI_READY && wait_count--);
+
+	if((val&SI3054_MEI_READY) != SI3054_MEI_READY) {
+		codec_err(codec, "si3054: cannot initialize. EXT MID = %04x\n", val);
+		/* let's pray that this is no fatal error */
+		/* return -EACCES; */
+	}
+
+	SET_REG(codec, SI3054_GPIO_POLARITY, 0xffff);
+	SET_REG(codec, SI3054_GPIO_CFG, 0x0);
+	SET_REG(codec, SI3054_MISC_AFE, 0);
+	SET_REG(codec, SI3054_LINE_CFG1,0x200);
+
+	if((GET_REG(codec,SI3054_LINE_STATUS) & (1<<6)) == 0) {
+		codec_dbg(codec,
+			  "Link Frame Detect(FDT) is not ready (line status: %04x)\n",
+				GET_REG(codec,SI3054_LINE_STATUS));
+	}
+
+	spec->international = GET_REG(codec, SI3054_CHIPID) & SI3054_CHIPID_INTERNATIONAL;
+
+	return 0;
+}
+
+static void si3054_free(struct hda_codec *codec)
+{
+	kfree(codec->spec);
+}
+
+
+/*
+ */
+
+static const struct hda_codec_ops si3054_patch_ops = {
+	.build_controls = si3054_build_controls,
+	.build_pcms = si3054_build_pcms,
+	.init = si3054_init,
+	.free = si3054_free,
+};
+
+static int patch_si3054(struct hda_codec *codec)
+{
+	struct si3054_spec *spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+	if (spec == NULL)
+		return -ENOMEM;
+	codec->spec = spec;
+	codec->patch_ops = si3054_patch_ops;
+	return 0;
+}
+
+/*
+ * patch entries
+ */
+static const struct hda_codec_preset snd_hda_preset_si3054[] = {
+ 	{ .id = 0x163c3055, .name = "Si3054", .patch = patch_si3054 },
+ 	{ .id = 0x163c3155, .name = "Si3054", .patch = patch_si3054 },
+ 	{ .id = 0x11c13026, .name = "Si3054", .patch = patch_si3054 },
+ 	{ .id = 0x11c13055, .name = "Si3054", .patch = patch_si3054 },
+ 	{ .id = 0x11c13155, .name = "Si3054", .patch = patch_si3054 },
+ 	{ .id = 0x10573055, .name = "Si3054", .patch = patch_si3054 },
+ 	{ .id = 0x10573057, .name = "Si3054", .patch = patch_si3054 },
+ 	{ .id = 0x10573155, .name = "Si3054", .patch = patch_si3054 },
+	/* VIA HDA on Clevo m540 */
+	{ .id = 0x11063288, .name = "Si3054", .patch = patch_si3054 },
+	/* Asus A8J Modem (SM56) */
+	{ .id = 0x15433155, .name = "Si3054", .patch = patch_si3054 },
+	/* LG LW20 modem */
+	{ .id = 0x18540018, .name = "Si3054", .patch = patch_si3054 },
+	{}
+};
+
+MODULE_ALIAS("snd-hda-codec-id:163c3055");
+MODULE_ALIAS("snd-hda-codec-id:163c3155");
+MODULE_ALIAS("snd-hda-codec-id:11c13026");
+MODULE_ALIAS("snd-hda-codec-id:11c13055");
+MODULE_ALIAS("snd-hda-codec-id:11c13155");
+MODULE_ALIAS("snd-hda-codec-id:10573055");
+MODULE_ALIAS("snd-hda-codec-id:10573057");
+MODULE_ALIAS("snd-hda-codec-id:10573155");
+MODULE_ALIAS("snd-hda-codec-id:11063288");
+MODULE_ALIAS("snd-hda-codec-id:15433155");
+MODULE_ALIAS("snd-hda-codec-id:18540018");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Si3054 HD-audio modem codec");
+
+static struct hda_codec_preset_list si3054_list = {
+	.preset = snd_hda_preset_si3054,
+	.owner = THIS_MODULE,
+};
+
+static int __init patch_si3054_init(void)
+{
+	return snd_hda_add_codec_preset(&si3054_list);
+}
+
+static void __exit patch_si3054_exit(void)
+{
+	snd_hda_delete_codec_preset(&si3054_list);
+}
+
+module_init(patch_si3054_init)
+module_exit(patch_si3054_exit)

sound/pci/hda/thinkpad_helper.c

@@ -0,0 +1,103 @@
+/* Helper functions for Thinkpad LED control;
+ * to be included from codec driver
+ */
+
+#if IS_ENABLED(CONFIG_THINKPAD_ACPI)
+
+#include <linux/acpi.h>
+#include <linux/thinkpad_acpi.h>
+
+static int (*led_set_func)(int, bool);
+static void (*old_vmaster_hook)(void *, int);
+
+static acpi_status acpi_check_cb(acpi_handle handle, u32 lvl, void *context,
+				 void **rv)
+{
+	bool *found = context;
+	*found = true;
+	return AE_OK;
+}
+
+static bool is_thinkpad(struct hda_codec *codec)
+{
+	bool found = false;
+	if (codec->subsystem_id >> 16 != 0x17aa)
+		return false;
+	if (ACPI_SUCCESS(acpi_get_devices("LEN0068", acpi_check_cb, &found, NULL)) && found)
+		return true;
+	found = false;
+	return ACPI_SUCCESS(acpi_get_devices("IBM0068", acpi_check_cb, &found, NULL)) && found;
+}
+
+static void update_tpacpi_mute_led(void *private_data, int enabled)
+{
+	if (old_vmaster_hook)
+		old_vmaster_hook(private_data, enabled);
+
+	if (led_set_func)
+		led_set_func(TPACPI_LED_MUTE, !enabled);
+}
+
+static void update_tpacpi_micmute_led(struct hda_codec *codec,
+				      struct snd_kcontrol *kcontrol,
+				      struct snd_ctl_elem_value *ucontrol)
+{
+	if (!ucontrol || !led_set_func)
+		return;
+	if (strcmp("Capture Switch", ucontrol->id.name) == 0 && ucontrol->id.index == 0) {
+		/* TODO: How do I verify if it's a mono or stereo here? */
+		bool val = ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1];
+		led_set_func(TPACPI_LED_MICMUTE, !val);
+	}
+}
+
+static void hda_fixup_thinkpad_acpi(struct hda_codec *codec,
+				    const struct hda_fixup *fix, int action)
+{
+	struct hda_gen_spec *spec = codec->spec;
+	bool removefunc = false;
+
+	if (action == HDA_FIXUP_ACT_PROBE) {
+		if (!is_thinkpad(codec))
+			return;
+		if (!led_set_func)
+			led_set_func = symbol_request(tpacpi_led_set);
+		if (!led_set_func) {
+			codec_warn(codec,
+				   "Failed to find thinkpad-acpi symbol tpacpi_led_set\n");
+			return;
+		}
+
+		removefunc = true;
+		if (led_set_func(TPACPI_LED_MUTE, false) >= 0) {
+			old_vmaster_hook = spec->vmaster_mute.hook;
+			spec->vmaster_mute.hook = update_tpacpi_mute_led;
+			spec->vmaster_mute_enum = 1;
+			removefunc = false;
+		}
+		if (led_set_func(TPACPI_LED_MICMUTE, false) >= 0) {
+			if (spec->num_adc_nids > 1)
+				codec_dbg(codec,
+					  "Skipping micmute LED control due to several ADCs");
+			else {
+				spec->cap_sync_hook = update_tpacpi_micmute_led;
+				removefunc = false;
+			}
+		}
+	}
+
+	if (led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) {
+		symbol_put(tpacpi_led_set);
+		led_set_func = NULL;
+		old_vmaster_hook = NULL;
+	}
+}
+
+#else /* CONFIG_THINKPAD_ACPI */
+
+static void hda_fixup_thinkpad_acpi(struct hda_codec *codec,
+				    const struct hda_fixup *fix, int action)
+{
+}
+
+#endif /* CONFIG_THINKPAD_ACPI */